If an animal could choose, ammonia would be the best waste product for an animal that lives in an area with a lot of fresh water available to it.
Ammonia is a nitrogenous waste product produced by the breakdown of proteins and other nitrogen-containing compounds in animals. It is excreted by a variety of aquatic animals, including fish, crustaceans, and aquatic snails, into the water. If allowed to accumulate, ammonia can be toxic to aquatic life. An animal that lives in an area with a lot of fresh water available to it would benefit from excreting ammonia because it is highly soluble in water and easily excreted. Additionally, it is a weak base, which means that it can neutralize acids that may build up in the animal's body. Finally, ammonia is also a source of nitrogen that can be used by plants and algae as a nutrient.
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What did Mr. Naidu share about what local communities were able to do with their river delta in coastal South India?
The thing that Mr. Naidu share about what local communities were able to do with their river delta in coastal South India is that For ten years or more, neighboring communities collaborated to rehabilitate over 20,000 acres of fish and shrimp farms, transforming them into flourishing mangrove forests.
What is the link?The presence of mangroves in close proximity to water bodies like rivers, estuaries, and tidal flats plays a significant role in providing a crucial living environment for fishing cats.
In South India's coastal areas, where mangrove ecosystems and river deltas are found, it is likely that nearby communities have had the opportunity to encounter and witness fishing cats in their native environments.
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Where does the oxygen that we breathe come from? (Multiple Choice)
- Water
- Carbon Dioxide
- Light
- Sugar
Answer:
Water
Explanation:
Scientists agree that there's oxygen from ocean plants in every breath we take. Most of this oxygen comes from tiny ocean plants – called phytoplankton – that live near the water's surface and drift with the currents. Like all plants, they photosynthesize – that is, they use sunlight and carbon dioxide to make food.
Hope this helped, Have a Wonderful Day!!
Hydrolysis of water is the process by which water divide to form oxygen, hydrogen ion. Option A is correct. The oxygen we breath is come from the hydrolysis of water during photosynthesis.
Photosynthesis:
It is the process by which plants produce sugar using Carbon dioxide and water in the presence of sunlight.
This completes in two phases
Light Dependent Dark phaseLight Dependent Phase:
Water hydrolyses to produce oxygen, proton, and electrons.Two molecule of water hydrolyses to form one molecule of Oxygen.Oxygen is then released by plant via stomata.Carbon dioxide used in dark phase to produse carbonic acids.Therefore the oxygen we breath is come from the hydrolysis of water during photosynthesis.
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What is the end product of anaerobic glycolysis in erythrocytes?
The end product of anaerobic glycolysis in erythrocytes is lactate. Erythrocytes, commonly known as red blood cells, lack mitochondria and therefore cannot carry out oxidative phosphorylation, which is the process of ATP production in the presence of oxygen.
Erythrocytes, commonly known as red blood cells, lack mitochondria and therefore cannot carry out oxidative phosphorylation, which is the process of ATP production in the presence of oxygen. Instead, they rely on anaerobic glycolysis to generate ATP. In this process, glucose is broken down into two molecules of pyruvate, which is then converted into lactate in the absence of oxygen. Lactate is then released into the bloodstream and transported to the liver, where it is converted back into glucose through the process of gluconeogenesis. This glucose can then be used by other cells in the body to generate ATP through oxidative phosphorylation.
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NEED HELP ASAP!! WILL MARK BRAINLIST FOR FULL ANSWER!! TY Make a list of at least 10 animals in your area or on one continent of the earth. If a wildlife reserve or a zoo is not easily accessible, you may use pictures to help you with this activity. Construct a dichotomous key for the animals on your list.
When creating a dichotomous key, there are some general rules to remember:
The group of items must have one common characteristic. For example, out of a group containing a hot air balloon, jet, parachute, and propeller plane, what is the common characteristic? They all have flight capability.
The number of steps in your key is the number of objects minus one. If you were to create a key for eight animals, you would subtract one, and have seven steps in your key.
Try to use a two-word system to simplify your key. Here are some examples: has fur or no fur; brown fur or black fur; has teeth or no teeth. Sometimes it may be difficult to use two words, but try to make the description as short as possible. For example: has 2 legs or has 4 legs.
Only use characteristics that are observable for your key.
Here's an example:
sex male—2
sex female—5
height under 5 ft—Jim
height over 5 ft—3
hair color blonde—Eric
hair color brown—4
jeans worn—Darin
shorts worn—Mario
hair pony-tail style—Kisha
hair down—6
hair color blonde—Crystal
hair color brown—Marlene
Enter your key and answer the following questions in the box below:
Did you use at least 10 different animals?
Were you able to use a two-name system to set up your key?
What specific challenges, if any, did you encounter?
The dichotomous key has been presented in the explanation below.
What is the dichotomous key?1a. Has fur - Go to 2
1b. No fur - Go to 5
2a. Has stripes - Tiger
2b. No stripes - Go to 3
3a. Lives in water - Dolphin
3b. Lives on land - Go to 4
4a. Has a long neck - Giraffe
4b. No long neck - Lion
5a. Has feathers - Eagle
5b. No feathers - Go to 6
6a. Has scales - Snake
6b. No scales - Rabbit
Yes, the example provided uses a two-name system to set up the key.
One specific challenge in creating a dichotomous key may be to find observable characteristics that can be used to distinguish between different animals. It may also be difficult to come up with a concise and clear description for each characteristic.
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If an atom has 123 protons, and a mass of 256, what is the atomic number of this element?
A. 123
B. 256
C. 133
D. None of these
The global causes that drive those processes in Box 2
Global Causes
2
Sun
Ocean Currents
Gravity
Answer:Earth is constantly changing as energy flows through the system. Geologic, fossil, and ice records provide evidence of significant changes throughout Earth's history. These changes are always associated with changes in the flow of energy through the Earth system. Both living and non- living processes have contributed to this change.
Explanation:that will help you
The fruiting body found above ground in fungi is called the
A. cap.
B. hyphae.
C. mycelium.
Answer:
fruiting body is called cap
The mycelium is the fruiting body found above ground in fungi.
The pileus is the technical name for the cap, or cap-like part, of a basidiocarp or ascocarp (fungal fruiting body) that supports a spore-bearing surface, the hymenium.
A hypha is a long, branching, filamentous structure of a fungus, oomycete, or actinobacterium. In most fungi, hyphae are the main mode of vegetative growth, and are collectively called a mycelium.
A mycelium is a network of fungal threads or hyphae. Mycelia often grow underground but can also thrive in other places such as rotting tree trunks. A single spore can develop into a mycelium. The fruiting bodies of fungi, such as mushrooms, can sprout from a mycelium.
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Fredrika's science teacher asked her to bring in three abiotic items from her backyard ecosystem. Which of the following groups of items should she bring?
The group of items that Fredrika should bring from her backyard ecosystem which would be abiotic factors should be a smooth rock, some red dirt, and an empty bird's nest. Option B.
What are the abiotic factors of ecosystems?The abiotic factors of an ecosystem refer to the non-living factors of the ecosystem. The non-living factors of the ecosystem include:
Edaphic factors or soil factorsClimatic factors such as temperature, pressure, precipitationTopographic factorsIn other words, the non-living factors of the ecosystem include all factors of the ecosystem apart from the plants, animals, and microbes in the ecosystem.
Plants, animals, and microbes are otherwise known as the biotic or living factors of the ecosystem. Thus, a combination of smooth rock, some red dirt, and an empty bird's nest represent a non-living factor of the ecosystem.
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Fredrika's science teacher asked her to bring in three abiotic items from her backyard ecosystem. Which of the following groups of items should she bring?
A. a lightning bug, a plug of grass, and a worm
B. a smooth rock, some red dirt, and an empty bird's nest
C. a ladybug, a spider, and some water from a mud puddle
D. a caterpillar, a pine cone, and a piece of a robin's egg
students use a microscope to look for structures present in four different cells. the students placed an x for each structure that was viewed for each cell on the table shown. which cell that was viewed is most likely a prokaryote?
Because prokaryotic cells lack the membrane-bound organelles found in eukaryotic cells and have simpler structures, the cell with only two structures observed is most likely a prokaryote.
How do you know if a cell is a prokaryotic one when examined under a microscope?Compared to eukaryotic cells, prokaryotic cells are much smaller, lack organelles, and have no nucleus. A cell wall covers every prokaryotic cell. Many likewise have a container or sludge layer made of polysaccharide. Prokaryotes frequently have members (projections) on their surface.
What structural differences between two types of cells would you observe under a microscope?The nucleus, for example, is a membrane-bound organelle in eukaryotic cells, whereas prokaryotic cells do not. The presence of mitochondria and chloroplasts, the cell wall, and the structure of chromosomal DNA are among the cellular structure distinctions between prokaryotes and eukaryotes.
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results from a dna fingerprint analysis for a man and woman and their four children are shown in the autoradiogram to the right. which child is least likely to be the biological offspring of this couple?
Child 2 is least likely to be the biological offspring of this couple.
B is the correct answer.
Using the nucleotide sequences of specific areas of the human DNA that are specific to each person, DNA fingerprinting is a laboratory technique used to ascertain a person's probable identity.
DNA fingerprinting is a chemical test that reveals a person's or another living thing's genetic make-up. In addition to being used as evidence in court, it is also utilized to locate biological relatives, identify bodies, and find disease remedies.
Paternity can be proven because each parent contributes 50 percent of a child's DNA, with the remaining 50 percent coming from the father. Each of the mother, kid, and alleged father's DNA fingerprints are collected. We compare these fingerprints to one another.
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The complete question is:
Results from a DNA fingerprint analysis for a man and woman and their four children are shown in the autoradiogram to the right. which child is least likely to be the biological offspring of this couple?
A. Child 1
B. Child 2
C. Child 3
D. Child 4
Cells which are found within the active organs in the human body would have the most chloroplasts true or false
The human body's active organs contain cells with the highest concentrations of chloroplasts: FALSE
In Human body, are there no chloroplasts.
We are descended from a line of animal cells that didn`t own chloroplasts or permit them to withstand digestion once they ate plants. Those few that controlled to develop and divide, maintaining chloroplasts could now no longer be as green as animals with out chloroplasts that absolutely had been capable of consume different organisms.
Also, as pointed out, our surfaces are a whole lot too small to take in sufficient mild to offer the non-stop shops of power we want to keep frame temperature and guide our absolute requirement for gasoline for the feature of an excessive order energetic mind or muscle groups that permit transportation and lengthy distance running, key functions of being human.
If we had been engineered to have chloroplasts in our pores and skin and survived in continuously difficult environments and survived, with much less and much less captured food, we'd evolve to be desk bound and now no longer want our muscle groups now no longer outrun all different creatures on the earth and now no longer rely on an power ingesting mind, to the volume that photosynthesis could be sufficient, we'd have reduced in size and simplified our our bodies to axrudementary vestigial and turn out to be like avenues fly lure possibly or forgo ingesting altogether.
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Over time, individuals in hot, arid environments will develop more sensitive forms of sweat glands resulting in the production of more sweat.
Answer: True
Explanation:
What is the ratio of the offspring with white petals to the total number of offspring?.
The ratio of the offspring with white petals to the total number of offspring Is 1:4 or 25%.
Heterozygous is different forms of a particular gene that is inherited from parent. e.g Gene A has form of A and a
A cross between two heterozygous pea plants
Pea plant A is Aa
Pea plant B is Aa
Therefore, a cross between the 2 plants will give
Aa×Aa
I
AA Aa Aa aa ,The total number of offspring is 4 (AA, Aa,Aa,Aa)
where AA,Aa and Aa are Purple pea plant and aa is a white pea plant. Since the number of pea plant is 4, the ratio of the offspring with white petals will be 1:4 in the number of offspring in % will be
1/4*100= 25% of the total population.
Therefore, The ratio of the offspring with white petals to the total number of offspring is 1:4 and the express this in a percentage is 25%.
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What physical factors produce a regular pattern of high- and low-pressure cells?
More than 100 physical factors produce a regular pattern of high- and low-pressure cells. The physical factors that produce a regular pattern of high- and low-pressure cells include the earth's rotation, atmospheric heating, and the Earth's composition.
Atmospheric heating is the leading cause of the formation of high- and low-pressure cells.Apart from that, the Earth's rotation plays a crucial role in creating the Coriolis effect, which causes air masses to move in a circular motion. This circular motion causes high- and low-pressure cells to form. As air moves inwards, it rises and creates a low-pressure zone. The rising air is replaced by air from surrounding areas, which creates a high-pressure zone.The Earth's composition and topography also play a role in creating high- and low-pressure cells.
The distribution of land and water on the Earth's surface affects the amount of solar radiation that reaches different regions. This causes variations in atmospheric heating, which in turn causes high- and low-pressure cells to form. More than 100 physical factors come into play to create a regular pattern of high- and low-pressure cells.
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Explain the cell cycle
Cell Cycle
A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends most of its time in what is called interphase, and during this time it grows, replicates its chromosomes, and prepares for cell division. The cell then leaves interphase, undergoes mitosis, and completes its division. The resulting cells, known as daughter cells, each enter their own interphase and begin a new round of the cell cycle.
Cell cycle is the name we give the process through which cells replicate and make two new cells. Cell cycle has different stages called G1, S, G2, and M. G1 is the stage where the cell is preparing to divide. To do this, it then moves into the S phase where the cell copies all the DNA. So, S stands for DNA synthesis. After the DNA is copied and there's a complete extra set of all the genetic material, the cell moves into the G2 stage, where it organizes and condenses the genetic material, or starts to condense the genetic material, and prepares to divide. The next stage is M. M stands for mitosis. This is where the cell actually partitions the two copies of the genetic material into the two daughter cells. After M phase completes, cell division occurs and two cells are left, and the cell cycle can begin again.
Which of the following is a chemical change?
a. cutting a rope
b. burning sugar
c. bending a steel rod
d. melting gold
e. making a snowman
The option which represents a chemical change among the given options is option B which states "burning sugar".
A chemical change is a type of change in which the substances in the substance themselves are changed into one or more different substances with different physical and chemical properties. During a chemical reaction, the chemical identity of the substance(s) involved is altered.
Hence, when we are observing a chemical change, we can see a change in color, odor, and temperature, etc. All these chemical changes are generally irreversible
Physical change can be differentiated from a chemical change based on the fact that physical change only alters the state or size of a substance. Whereas, a chemical change alters the chemical identity of the substance, by changing its chemical composition and properties.
The given options are: a. cutting a rope b. burning sugar c. bending a steel rod. melting gold e. making a snowman Option a, "cutting a rope" is a physical change. Option b, "burning sugar" is a chemical change. Option c, "bending a steel rod" is a physical change. Option d, "melting gold" is a physical change. Option e, "making a snowman" is a physical change.
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A substance with 20 carbon-14 atoms will have only
years.
left after
A substance with 20 carbon-14 atoms will have only nitrogen - 14 left after over 5730 years due to radioactive decay.
What makes carbon - 14 different from carbon - 12?The element carbon has a naturally stable isotope C- 12, but C -14 is the unstable isotope.
C - 14 is the most commonly consumed isotope of carbon by all living organisms. Radiocarbon dating is the process of determining the age of a sample by examining the existence half life-life of this element. In the course of certain years when the life form's existence is extended the C- 14 gradually turns into N - 14 (Nitrogen).
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consider three loci experiencing different selective conditions. assuming the same initial number of gene copies and constant population size, which locus will have the longest time to coalescence?
The locus under purifying selection is likely to have the longest time to coalescence, because it experiences the strongest force reducing genetic diversity.
The locus experiencing the strongest selective conditions will have the lowest effective population size and thus the longest time to coalescence. On the other hand, the locus under positive selection is likely to have the shortest time to coalescence, because it experiences the strongest force increasing genetic diversity. The locus under neutral selection is expected to have an intermediate coalescence time, because it is not subject to any strong selective pressure.
The time to coalescence refers to the amount of time it takes for the gene copies of a given locus to coalesce (i.e., trace back to a common ancestor). The coalescent time depends on various factors, including the effective population size, the mutation rate, and the selective conditions at the locus.
Given that the effective population size and mutation rate are the same for all three loci, the locus that experiences the strongest selective conditions will likely have the longest time to coalescence. This is because stronger selection reduces the effective population size, which in turn reduces the coalescent rate.
So, the locus experiencing the strongest selective conditions will have the lowest effective population size and thus the longest time to coalescence. The other two loci may have a higher effective population size and shorter coalescence times due to weaker selective pressures.
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The main function of the digestive system is to break food down into molecules that can be absorbed by cells. How are the food molecules absorbed into the cells to start the cellular respiration process?
A.
Food molecules are broken down by oxidation and then released by cells.
B.
Food molecules are released into the cells by the respiration process.
C.
Food molecules are absorbed through the cell wall.
D.
Food molecules are absorbed through the cell membrane.
PLEASE HELP! FREE BRAINLIEST
The Answer is B.
Explanation:
At least thats what I learned in school
Pick a natural disaster, research the disaster, write 3-5 sentences where, when, casualties and name of disaster.
help :( i need this asap 33 i'll give brainly for best answer,, /33
Answer: Hurricane.
Explanation:
The official hurricane season for the Atlantic basin is from June 1 to November 30, but tropical cyclone activity sometimes occurs before and after these dates, respectively. The peak of the Atlantic hurricane season is September 10, with most activity occurring between mid-August and mid-October.The destructive power of storm surge and large battering waves can result in loss of life, buildings destroyed, beach and dune erosion and road and bridge damage along the coast. Storm surge can travel several miles inland. In estuaries and bayous, salt water intrusion endangers public health and the environment.A hurricane can last for 2 weeks or more over open water and can run a path across the entire length of the Eastern Seaboard. The 74 to 160 mile per hour winds of a hurricane can extend inland for hundreds of miles. Tropical storms and hurricanes most frequently occur off the Southeast and mid-Atlantic coasts, but they can also roam the Atlantic Basin anywhere between the northern Bahamas and Atlantic Canada, in the Gulf of Mexico, the eastern Caribbean Sea and the western tropical Atlantic (to the east of the Lesser Antilles).
The Galveston hurricane of 1900, the deadliest natural disaster in U.S. history, crashed ashore much like Hurricane Ian did last week. As a large Category 4 with 150 mph winds, it shoved Gulf of Mexico waters deep into the booming port city. A typical hurricane can dump 6 inches to a foot of rain across a region. The most violent winds and heaviest rains take place in the eye wall, the ring of clouds and thunderstorms closely surrounding the eye. Every second, a large hurricane releases the energy of 10 atomic bombs. Hurricanes can also produce tornadoes.
5 thing that cause a hurricane!
Image result for Hurricanes facts
Warm ocean waters and thunderstorms fuel power-hungry hurricanes.
A pre-existing weather disturbance: A hurricane often starts out as a tropical wave.
Warm water: Water at least 26.5 degrees Celsius over a depth of 50 meters powers the storm.
Thunderstorm activity: Thunderstorms turn ocean heat into hurricane fuel.
What do you think would happen to the process of cell division if there is a deficiency in the Golgi apparatus's ability to package protein tubule materials?
Answer:
The process of cell division will slow down and the cell will die
Explanation:
Without the golgi apparatus or if its not working as well as it should be there would be no lysosomes or less. Without the lysosomes there will be a lot of junk/trash in the cell and it would have no way to break it down and get it out
Max tried an experiment in which he added red-dyed salt water to clear freshwater. He noticed that a lot of the red water sank below the clear water. Which of the following statements explains why this happened?
a. Adding salt to water makes it more dense.
b. Adding salt to water makes it less dense.
c. Adding salt to water decreases its temperature.
d. Adding salt to water increases its temperature
Answer:
A
Explanation:
Adding salt to water causes its density to increase. Denser water will sink below less dense water.
As salt water is denser and will sink at the bottom and adding the salt raises the temperature of water body and hence will make it more warm and saline.
A max tries to add red dyed salt water to clear the fresh water he sees a red color sinking below the fresh water that is cool.The option D is correct.
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tRNA molecules physically link the mRNA message and the _______ it encodes for. The ribosome is made of proteins and _______
The tRNA molecules physically link the mRNA message and the amino acids it encodes for. The ribosome is made of proteins and rRNA (ribosomal RNA).
tRNA molecules play a crucial role in protein synthesis. They are responsible for carrying amino acids to the ribosome, where they are added to the growing polypeptide chain according to the mRNA template. The tRNA molecules have an anticodon sequence that is complementary to the codon sequence on the mRNA. This complementary base pairing ensures that the correct amino acid is added to the growing chain. The ribosome, on the other hand, is made up of proteins and rRNA. The proteins provide structural support and enzymatic activity, while the rRNA molecules help in the decoding of the mRNA message and the formation of peptide bonds between amino acids. Together, tRNA molecules and ribosomes ensure the accurate translation of the genetic code into proteins.
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The volume of a cube is measured in grams, is.this true?
Answer: no
Explanation: cubic inches
The volume of a cube is measured in grams is false.
What is volume of a cube ?
A cube is a solid three-dimensional structure with six square shaped sides.
The volume of a cube is referred as the total amount of spaces occupied by all the sides.
The height, length and width of the cube are of equal length.
The volume of a cube can be represented in terms of cubic units such as centimeters3, meters3, inches3, feet3
Two methods have been used to find the volume of a cube either by using edge-length, diagonal.
These both methods are formula based and easy to understand.
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Where are some solar cells, active, and passive solar energy being used in the U.S.? What is being done to encourage the use of solar energy in our country and around the world?
Solar energy is being used in a wide range of applications in the United States, including residential and commercial buildings, utilities, and transportation. Some examples of solar energy use in the U.S. are:
Residential solar: Many households have installed solar panels on their rooftops to generate electricity for their own use. Some states, such as California and Arizona, have particularly high adoption rates for residential solar.Utility-scale solar: Large solar power plants are being built in many parts of the country to generate electricity for the grid. Some notable examples include the Solar Star project in California and the Solar Energy Generating Systems in the Mojave Desert.Passive solar: Passive solar design principles are being incorporated into new buildings to reduce energy consumption. This includes features such as orientation, shading, and thermal mass to maximize natural light and heat.Solar-powered transportation: Solar energy is being used to power electric vehicles and charging stations, as well as to provide energy for public transportation systems like buses and trains.To encourage the use of solar energy, there are various government policies and incentives in place at the federal, state, and local levels. These include tax credits, grants, rebates, and net metering programs. Additionally, many utilities have implemented programs to encourage customers to install solar panels and other renewable energy systems.
Around the world, there are also many efforts to encourage the use of solar energy. For example, many countries have set renewable energy targets and implemented policies to support the development of solar energy projects. Additionally, international organizations like the United Nations and the International Energy Agency are promoting the adoption of renewable energy as a key strategy for reducing greenhouse gas emissions and mitigating climate change.
The processes of evaporation, condensation, and precipitation makes up __________.
Hey there mate :)
Given: The processes of evaporation, condensation, and precipitation makes up __________.
To find - One word answer
Answer -
The processes of evaporation, condensation, and precipitation makes up water cycle
Step-by step Explaination -
We know that precipitation is a vital component of how water moves through Earth’s water cycle, connecting the ocean, land, and atmosphere. Knowing where it rains, how much it rains and the character of the falling rain, snow or hail allows scientists to better understand precipitation’s impact on streams, rivers, surface runoff and groundwater. Frequent and detailed measurements help scientists make models of and determine changes in Earth’s water cycle.
The water cycle describes how water evaporates from the surface of the earth, rises into the atmosphere, cools and condenses into rain or snow in clouds, and falls again to the surface as precipitation. The water falling on land collects in rivers and lakes, soil, and porous layers of rock, and much of it flows back into the oceans, where it will once more evaporate.
The cycling of water in and out of the atmosphere is a significant aspect of the weather patterns on Earth.
~Benjemin360
Answer:
Water Cycle
Explanation:
Main stages in the water cycle. They are evaporation, condensation, precipitation and collection. Let's look at each of these stages.
Evaporation: This is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). Water vapour droplets join together to make clouds!
Condensation: This is when water vapour in the air cools down and turns back into liquid water.
Precipitation: This is when water (in the form of rain, snow, hail or sleet) falls from clouds in the sky
Some students were building a model of a
digestive system. Which choice best
describes a process they should show with
their model?
F Tissues digest food for the organ
system to absorb.
GCells digest food, which is then
absorbed by organs.
Organs digest food by working
together as a system.
(H)
The organ system uses specialized
cells to digest food.
The digestive process is divided into four steps: ingestion, chemical and mechanical food breakdown, nutrient absorption, and expulsion of indigestible food.
What does the digestive process entail?
The digestive process starts as soon as something is chewed. In order for food to pass more easily through your esophagus and into your stomach, saliva, a digestive juice produced by your salivary glands, moistens the food. The carbs in food also begin to be broken down by an enzyme found in saliva.
Motility, digestion, absorption, and secretion are the four fundamental functions of the digestive system. Our digestive system transforms our food into energy that we can use.
The digestive system's initial function is to take in food through the mouth. The "ingesting" procedure must take place before anything else can happen.
The complete question is:
Some students were building a model of a digestive system. Which choice best describes a process they should show with their model?
a) F Tissues digest food for the organ system to absorb.
b) G Cells digest food, which is then absorbed by organs.
c) Organs digest food by working together as a system.
d) The organ system uses specialized cells to digest food.
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The production of antibodies is the body's __________ line of defense
The production of antibodies is the body's __________ line of defense
"adaptive"
The production of antibodies is the body's adaptive line of defense.
When the immune system encounters foreign substances or pathogens, it mounts a response to eliminate them. This response involves the production of antibodies, which are specialized proteins that can recognize and bind to specific antigens on the surface of pathogens. The production of antibodies is part of the adaptive immune response, which is characterized by its ability to adapt and specifically target the particular pathogens encountered. This line of defense is distinct from the innate immune response, which provides immediate, nonspecific protection against a wide range of pathogens. The adaptive immune response, including the production of antibodies, plays a crucial role in neutralizing pathogens and preventing their spread throughout the body.
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For each of the following cases, check the column appropriate to your observations on the operation of the model lung:
In internal volume of the bell jar thoracic cage)
The internal volume of the bell jar (thoracic cage) increases when the balloon (lungs) expands and decreases when the balloon contracts. This is because the volume of a container is inversely proportional to the pressure inside the container.
The bell jar represents the rib cage, and the balloon represents the lungs. When the rib cage expands, the volume of the thoracic cavity increases. This causes the pressure inside the thoracic cavity to decrease. The decrease in pressure causes the lungs to expand. When the rib cage contracts, the volume of the thoracic cavity decreases. This causes the pressure inside the thoracic cavity to increase. The increase in pressure causes the lungs to contract.
The model lung is a simple but effective way to demonstrate the relationship between the volume of the thoracic cavity and the pressure inside the lungs. This relationship is essential for understanding the process of breathing.
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Side-splotched lizards, Uta stansburiana, are a type of lizard found in the southwestern United States. Male lizards come in three
sizes. Each size has a corresponding color and reproductive strategy. The largest, orange-morph lizards maintain large harems
over large territories which are difficult to guard against competitors. Since they are the largest males, they easily win challenges
by smaller males. However since their territories are so large, it is hard for them to be everywhere at once.
The medium sized, blue-morph males defend smaller harems in smaller territories that are easier to guard and protect. They cannot win
against a larger male, but fewer females are easier to keep track of.
Yellow-morphs are the smallest male lizards, and resemble females. They do not maintain territories or harems, however their
resemblance to females allows them to infiltrate the harems of larger males and mate with females while remaining unnoticed.
Under what conditions could we say that speciation had occurred in Uta stansburiana?
This mode of speciation is caused due to polymorphism.
In biology, polymorphism is a discontinuous genetic variation that occurs among members of a single species, giving rise to a variety of various forms or types of individuals. Individuals within a population are split into two or more clearly different forms by a discontinuous genetic variance.
To study about polymorphism as a mode of speciation, Uta stansburiana, the side-splotched lizard was selected, and studied. It was discovered that the polymorphism has endured for millions of years and is widespread regionally. However, many populations have fewer throat color variations than normal. The polymorphism was revealed to be ancestral by phylogenetic reconstruction, yet it has independently disappeared eight times, frequently giving rise to physically separate subspecies or species.
Male, female, and sexual dimorphism all experienced accelerated evolutionary change as a result of polymorphism loss, suggesting that this phenomenon may speed up population divergence and facilitate the emergence of new species.
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