Under identical atmospheric conditions, freshwater ________. A. has more dissolved oxygen than seawater B. has less dissolved oxygen than seawater C. can hold 10-40 times more carbon dioxide than air D. can hold 10-40 times more oxygen than air
Answers
Freshwater does has more dissolved oxygen than as compared to seawater.
What is Dissolved oxygen?
Dissolved oxygen refers to the level of free, non-compound oxygen present in water or other liquids.
It is an important parameter, as it helps with the survival of the organisms which live under water.
If the dissolved oxygen level increases, it makes the water quality unfit for the aquatic animal. If the dissolved oxygen level decreases, it also makes the water quality unfit for the survival of aquatic animals.
Sources of freshwater are:
glaciers, lakes, reservoirs, ponds, rivers, streams, wetlands and even groundwater.
There is lesser amount of dissolved oxygen in seawater because there is lesser space for the oxygen molecules as there are sodium and chloride molecules present in the seawater.
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Related Questions
How do ecosystems return to normal after a flood?
Answers
This really depends on the ecosystem, as each ecosystem may respond differently.
Explanation:
How an ecosystem responds is going to depend on the ecosystem, as each ecosystem may respond differently, and also on the extent and magnitude of the natural disaster. It takes ecosystems a long time to return to semi-normal conditions it can take up to 200 years for a forest to regrow after a huge fire. and that doesn't include the animals displaced/killed in the disaster.
State the characteristics of early jawless fishes.
Answers
Early jawless fishes are a group of primitive fishes that appeared in the fossil record over 500 million years ago. They were the first vertebrates to evolve and did not possess jaws, instead, they had circular mouths that they used to suck in food.
The group includes several different types of fish, including the hagfish and lampreys. One of the key characteristics of early jawless fishes is their lack of jaws. This meant that they had to rely on their circular mouths to feed, which limited the types of food they could eat. They were also relatively small in size and lacked bony skeletons, making them vulnerable to predators. Another key characteristic of early jawless fishes was their cartilaginous skeleton. This is in contrast to bony fishes, which have skeletons made of bone. Cartilage is a flexible tissue that provides support and protection for the fish's internal organs. It is also lighter than bone, which would have been an advantage for these small, primitive fishes.
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What happens when an organism is eaten? A. All of its energy is returned to producers. B. All of its energy is gone when it dies and cannot be reclaimed by the ecosystem. C. A small portion of its energy is absorbed by the consumer, the rest is transformed into heat or waste. D. All of its energy is absorbed by the consumer.
Answers
Answer:
The higher organisms eat the lower organisms, break down their matter and rearrange the molecules to make their own matter. When any organism dies, the remains are broken down and put back into the cycle as inorganic molecules. Each of these organisms eat organic matter to produce energy and small pieces of matter.
You are requested to implement a simple virus management system. " A virus is a submicroscopic infectious agent that replicates only inside the living cells of an organism. Viruses infect all life forms, from animals and plants to microorganisms, including bacteria and archaea." Viruses can be classified into various categories according to the Baltimore classification (see link for more details). Any virus can be identified by many fields including an official name, date when it was first discovered, who discovered, ... 1- (1 mark) Describe the virus and research Lab data types, Virus and ResearchLab, using Java classes. Make sure to use Java inheritance, an interface, and an abstract class. 2- (4 marks) We want to implement a simple application that manages the viruses stored in research Labs. You are asked to develop a Java application that uses an array to store all information regarding the viruses maintained in each research Lab and using the newly created data types: Virus and ResearchLab defined in 1). You should provide a menu with the following options: Virus Management System (CSC301, Fall2022) 1- Create a new Research Lab 2- Add a new Virus to a research Lab 3- List all research Labs storing a particular virus 4- Delete all existing viruses from a given a category in a research Lab 5- Check if a particular virus exists based on its official name 0- Quit Your choice? Please use the partial Java code provided with this assignment which prints the menu.
Answers
The virus data type can be implemented as a Java class with properties such as the official name, discovery date, and discoverer. The research lab data type can be implemented as a subclass of the virus class, inheriting its properties and methods.
To represent the virus data type in Java, we can create a Virus class that includes fields to store information such as the official name, discovery date, and discoverer. This class can serve as the base class for other virus-related classes.
For the research lab data type, we can create a ResearchLab class that extends the Virus class. This inheritance allows the ResearchLab class to inherit the properties and methods of the Virus class while also providing additional functionality specific to research labs.
Using Java inheritance, we can establish a hierarchical relationship where the ResearchLab class inherits the characteristics of the Virus class. This promotes code reuse and allows us to organize the codebase efficiently.
By implementing the virus and research lab data types using Java classes and inheritance, we can effectively represent and manage viruses and research labs in a structured manner within the virus management system.
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Try it
12ty
(-1.5, 10.4)
For which values is the graph decreasing? Check all
that apply.
8
between x = -3 and x = -1.5
between x = -1.5 and x = 0
O between x = 0 and x = 1.5
.x
between x = 1.5 and x = 3
-2
2.
4
-4
-8
(1.5, -10.4)
-12
Answers
Answer:
B and C
I just took the test
please help 20 points if so.
Answers
Answer: A. Codominance is a blending of the two traits, and incomplete dominance expresses both traits equally.
Explanation: Good luck! :D
Answer:
A is correct
Explanation:
what's the function of pancreas?
(have a wonderful day/night/afternoon everyone^_^
\(fp\)
)
Answers
Answer:
The pancreas is a glandular organ in the digestive system and endocrine system located in the abdominal cavity behind the stomach. It is an endocrine gland producing several important hormones, including insulin, glucagon, somatostatin, and pancreatic polypeptide, all of which circulate in the blood.
Explanation:
you have a good rest of your day too :)
Answer:
During digestion, your pancreas makes pancreatic juices called enzymes. These enzymes break down sugars, fats, and starches. Your pancreas also helps your digestive system by making hormones. These are chemical messengers that travel through your blood.
Explanation:
:) if you want to brainliest thanks im so very thankful thanks thanks
please answer asap!!!
Answers
Kudzu is an invasive plant that can grow as much as a foot in one day. The three organisms most likely to compete with Kudzu in the given ecosystem will be grass, deer and butterfly.
Where is Kudzu mainly found?Kudzu is a fast-growing vine native to Asia and has become an invasive species in many parts of North America. Kudzu can proliferate and cover large areas, outcompeting native plants for resources such as light, water, and nutrients.
What is a food chain?A food chain is a linear sequence of organisms, starting with a producer, that shows the transfer of energy and nutrients through different trophic levels in an ecosystem. It represents the energy flow from one organism to another as each organism eats the organism below it in the chain.
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How High heat capacity does this help organisms on a
SMALL scale?
Answers
Answer:
the property of high heat capacity allows highly regulated internal body temperatures.
Explanation:
What is a reproductive strategy?
a.) The way that a species creates offspring b.)The way that an organism hunts for food c.)The number of alleles an organism passes on d.) The DNA that is passed onto an offspring
Answers
Answer:
I am pretty sure that the answer is (a) The way that a species creates offspring.
Explanation:
The term reproductive strategy is loosely used to refer to the way an animal mates and/or raises offspring.
Wich statements accurately describe cells?Check all that apply.
1. Cells are the smallest unit of life
2.All organisms are made up of cells
3.Cells only make up unicellular organisms
4.Multicellular organisms are made of many cells
5.A plant is a unicellular organism made up of one cell
Answers
Answer:
Answers 1, 2, and 4
Explanation:
3 is incorrect because every organism is made of cells, not just unicellular organisms. these organisms do, however, have one cell that carries out all functions for the organism.
5 is incorrect because plants are multicellular organisms and thus have more than one cell.
Which statement below would be most likely to effect the carbon cycle if a tornado lands and destroys most of the trees in a forest?
A. There would be less fossil fuels in the ground that would be used for drilling
B. Plants would remove less carbon dioxide from the atmosphere
C. An increase in organisms respiration would raise the level of carbon dioxide in the air
D. More resources would be available for animals in the area
Answers
Answer:
B
Explanation:
The effect of the carbon cycle if a tornado lands and destroys most of the trees in a forest is Plants would remove less carbon dioxide from the atmosphere.
What impact does the carbon cycle have on land?The important changes in the land carbon cycle are likely to come because of climate change. Carbon dioxide rises temperatures, extending the growing season and increasing humidity. Both factors have led to some additional plant growth. However, warmer temperatures also stress plants.Thus, option "B" is correct.
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One of the major positive effects of globalization is:
OA. faster spread of technology and ideas around the world.
B. decreased environmental damage from burning fossil fuels.
C. businesses choosing to hire more workers in their own countries.
D. less economic competition between different countries.
SUBMIT
Answers
The major positive effect of globalization is faster spread of technology and ideas around the world. The correct option is A
What is globalization ?Technology and ideas have spread more quickly thanks to globalization. This is due to the fact that globalization has made it simpler for people to communicate and travel. People are therefore more likely to be exposed to novel concepts and cutting-edge innovations from many civilizations. Progress and innovation may result from this.
For instance, the internet has made it easier than ever for people to communicate information and ideas with one another. As a result, new technologies like social media and online education have emerged.
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Darren is studying the effect of increased carbon dioxide on plant growth. He sets up four tanks (terrariums). Each tank has the same type of plant, same potting soil, same amount of water, same amount of sunlight. The first tank has normal levels of Carbon dioxide. The second tank has 25% more carbon dioxide, the third 50% more and the fourth 100% more. Darren records plant height after each week for a four week period. What are the : IV, DV constant, control
Answers
Answer:
Explanation:
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Which characteristics are used to differentiate among the six kingdoms?
a. body type, coelom, cell type, movement, size
b. body type, cell type, cell structure, nutrition
c .cell structure, movement, cell type, nutrition
d . nutrition, coelom, cell structure, cell type, size
Answers
Answer:
c
Explanation:
cells help you live
Answer:
C
Explanation:
Answer above
hi guys i need the answer to #19
Answers
If Spike has 36 chromosomes, we can infer that he inherited half of his chromosomes from his mother and half from his father.
How to explain the informationHumans typically have 23 pairs of chromosomes, with one set coming from the mother (maternal chromosomes) and the other set from the father (paternal chromosomes). So, in Spike's case, we would expect him to have received 18 chromosomes from his mother and 18 chromosomes from his father.
The process of inheriting chromosomes from parents is related to heredity. Chromosomes contain DNA, which carries genetic information. When a baby is conceived, they receive half of their chromosomes from their mother's egg and half from their father's sperm. This genetic material contains instructions for various traits, such as eye color, height, and susceptibility to certain diseases. The combination of chromosomes inherited from both parents contributes to the unique genetic makeup of an individual, determining their physical characteristics and predispositions to certain traits or conditions.
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what are the possible gametes of the PpYy offspring?
Answers
the cytoskeleton is the means by which (choose all that apply) group of answer choices all of the answers are correct water is taken in by pinocytosis a vesicle is formed at the cell membrane surface vesicles, vacuoles, and lysosomes are moved around the cell interiors water diffuses across a membrane proteins are manufactured at the cell nucleus
Answers
The cytoskeleton is a dynamic network of protein filaments that provides structural support to cells and plays a role in various cellular processes. Therefore the correct option is option B.
Meaning:
The cytoskeleton is responsible for moving vesicles, vacuoles, and lysosomes around the cell interiors. This is known as intracellular transport, and it is necessary for normal cellular function.
By giving structural support to the cell membrane, the cytoskeleton also maintains cell shape and integrity. This is critical for several cellular activities, including cell division and migration.
Furthermore, the cytoskeleton participates in the uptake of extracellular fluids and chemicals via a process known as pinocytosis. The cytoskeleton also aids in the movement of organelles within the cell, such as mitochondria and peroxisomes.
The cytoskeleton, on the other hand, is not directly involved in the diffusion of water across a membrane or the production of proteins at the cell nucleus. Therefore the correct option is option B.
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How does a straight alignment between arth, the
sun, and the moon impact the tides on Earth?
A.
It produces the greatest change in high and
low tides.
B
It produces the least change in high and low
tides.
It produces semidiurnal tides.
It produces diurnal tides.
C.
D
Answers
Answer: A. It produces the greatest change in high and low tides
Explanation:
Answer:
A. It produces the greatest change in high and low tides
Explanation:
I hoped this helped! Have a great day!
Which of the following is true about plants and cellular energy?
A.
Plants use light energy to produce food molecules during photosynthesis and obtain cellular energy from the bonds of these food molecules during cellular respiration.
B.
Plants use light energy to produce food molecules during cellular respiration and to obtain cellular energy from the bonds of these food molecules during photosynthesis.
C.
Plants can use light energy to produce food molecules or to obtain cellular energy from the bonds of these food molecules during cellular respiration.
D.
Plants can use light energy to produce food molecules or to obtain cellular energy from the bonds of these food molecules during photosynthesis.
Answers
Answer:
A.
Plants use light energy to produce food molecules during photosynthesis and obtain cellular energy from the bonds of these food molecules during cellular respiration.
answer:
A. plants use light energy to produce food molecules during photosynthesis and obtain cellular energy from the bonds of these food molecules during cellular respiration.
explanation:
photosynthesis is the process through which plants synthesize food with light energy (photo-)photosynthesis is the process by which organisms, such as green plants, use light energy to produce foodcellular respiration is the process by which living things, including both plants and animals, obtain energy from the bonds of food moleculestherefore, plants use light energy to produce food molecules during photosynthesis, and obtain cellular energy from the bonds of these food molecules during cellular respiration“Teenagers and New Technology “
In the margin, explain what positions, pro or con, the author seems to emphasize.
(Answer in paragraph form)
Answers
Answer:
Pro
Explanation:
because im a teacher
How are biomes interdependent on the smaller levels of organization?
Answers
The biomes are interdependent on the smaller levels of organizations as the organisms, populations, community, and ecosystem together form the biomes.
Without the smaller levels of organizations, the larger biomes cannot exist. In Ecology, the organizational levels refer to the following: Biosphere - This is the home of all life on earth. Biome - A large assemblage of plants and animals inhabiting a major habitat. Ecosystem – A biological community of living organisms and their environment.
From the largest to the smallest: biospheres, biomes, ecosystems, communities, populations, and organisms. The cell is the smallest unit of organization.
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Nitrogen-fixing bacteria in the roots of soybeans help provide a source of nitrogen to the plants, and in exchange, the bacteria obtain food from the plants. Which type of interaction is this
Answers
Answer:
symbiotic relationship
Explanation:
A symbiotic relationship is a relationship in which the members of the relationship get benefits from each other....... In roots of leguminuous plants , the bacterias are the only source for nitrogen by plants & in turn plants provide food to bacterias
In most mammals, the mitochondrial DNA is inherited from A.either parent B.Mitochondria are not found in mammals C.the mother and father D.the mother only E.the father only
Answers
Although most of our DNA resides inside the nucleus of our cells, a small amount is found in the mitochondria — the organelles that generate energy for cells. In most mammals, mitochondrial DNA is inherited from the mother, while mitochondrial DNA from the father is thought to be destroyed shortly after conception.
Answer: D
Eukaryotic chromosomes contain two general domains that relate to the degree of condensation. These two regions are ________. A.
Answers
Answer:
these 2 regions are called
heterochromatin and euchromatin O
hope this helps
1a) Traits are due to proteins. Proteins are coded for by ___ molecules, found in the
nucleus.
Answers
Answer:
dna
Explanation:
a woman uses a home pregnancy test kit that tests for hcg hormone in urine. she knows this is a type of antibody assay from the kit brochure. antibodies reacting with the hormone produce two lines on the test strip. what specific type of antibody assay does this represent?
Answers
Monoclonal antibodies are used in pregnancy test kits. These are made to bind with a hormone called HCG, which is only present in pregnant women's urine.
Three different types of antibodies, two from mice and one from a goat, are used in home pregnancy tests. The test strip's papery substance contains the initial antibody molecules (where the urine sample is applied).
The primary methods for detecting human chorionic gonadotropin hormone have mostly been supplanted by the conventional immunoassay, which is based on the classic antigen-antibody reaction (HCG).
Antibodies are used in home pregnancy tests to look for the Human Chorionic Gonadotropin hormone, which can be detected in urine at levels that indicate pregnancy. The test strip has two antibodies that "sandwich" together to capture the HCG antigen.
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What process is used in gene expression?
A. photosynthesis
B. protein synthesis
C. cell transport
Answers
Answer:
B. Protein synthesis
Organelles in prokaryotic cells include the
(a) mitochondria.
(b) cytoskeleton.
(c) Golgi complex.
(d) none of the above
Answers
Answer: actually (d) none of the above
what is a normal resting heart rate for adults over the age 18?
Answers
The normal resting heart rate for adults over the age of 18 ranges between 60-100 beats per minute (BPM).
What is heart rate?
Heart rate refers to the number of times the heart beats per minute (BPM).
What is considered a normal heart rate for an adult?
A normal resting heart rate for an adult is between 60 and 100 BPM. However, the range of normal heart rates can vary among individuals. The healthy range for resting heart rates can vary depending on factors such as age, sex, physical fitness, and overall health. Athletes who engage in endurance sports like running may have lower resting heart rates because of the strength and efficiency of their hearts.
In conclusion, a healthy resting heart rate for adults over the age of 18 is generally between 60-100 BPM.
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