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Related Questions
What is the difference between an ocean and a sea?
A. A sea has a higher concentration of salt and it’s water. B. An ocean touches at least three separate continents.
C. A sea is partially or fully enclosed by land.
D. There is no difference.
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Oceans are also deeper and larger then Seas.
If one abiotic factor changed drastically, what effect would that have on the ecosystem?
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if a plant is adapted to low temperatures and the specific are where it lives, has a change in its temperature this plant will die and this area will no longer support life, which is due to the change in abiotic factor
When this ink filler is dipped into a beaker of water and the bulb is pressed, air bubbles appear in the water. Why does this happen?
A. Air in the atmosphere forms the bubbles.
B. The air in the ink filler is released to form bubbles.
C. The liquid rushes into the filler forming bubbles.
D. The air in the water forms bubbles.
Answers
Answer:
C
Explanation:
Answer:
THE answer is c 100%
Explanation:
. The liquid rushes into the filler forming bubbles.
Give an example of each level of organization found in a flowering plant.
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Each level of organization found in a flowering plant is:-
Cellular level:- MegasporesTissue level:- ParenchymaOrgan level:- Filament ( stalk of anther)Organism level:- The plantWhat do you mean by level of organism?
Levels of organization are structure in nature, usually defined by part -whole relationships, with things at higher levels being composed of things at the next lower level
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Kenya and her parents were eating lunch in the park. A tomato slice que
from Kenya's sandwich fell into the grass. A few weeks later, one of fra
the seeds began to sprout.
Which best describes how the seed's roots would grow?
1. The roots would grow in all directions, spreading across the
ground.
2. The roots would grow around the seed, forming a protective
Ano barrier.
grizn pioni
3. The roots would grow downward, toward the pull of gravity.
4. The roots would grow upward, allowing them to get more
sunlight.
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Answer: The roots would grow downward, toward the pull of gravity.
Explanation:
When a seed germinates and begins to grow, its roots typically grow downward, following the pull of gravity. This growth direction helps the roots to anchor the plant in the soil and reach water and nutrients that are present deeper in the ground.
The roots would grow downward, toward the pull of gravity.
Tomatoes have tap root systems.
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Roundworms are what type of biohazard
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Answer:
They contagious biohazard. They pose threat to human's health by causing Infection.
Explanation:
Biohazards are living organisms or microooganisms that affect humans health by releasing toxic materials or cause disease.
Round worm is a biohazard that affect humans. They can be parasitic, free-living worms. The parasitic worms are contagious and anyone can get roundworm Infection. Round worms are worms with a long round body. The parasitic roundworms affect the human intestines. Round worms are leading cause of morbidity in the world.
There are many of types of roundworms. And this include Raccoons and they are the primary host of Baylisascaris procyonis, a roundworm that can be harmful to people. The more round worms present in the body, the severe the symptoms will be.
We are to explain the kind of biohazard roundworm is
Roundworm are biohazards that causes infection to the human body.Biohazard also referred to as "biological hazard" can be seen as a biological substance that poses threat to the health of living organisms, majorly humans. Examples include, virus micro-organism that can harm human health. Biohazard can also affect other animals.Roundworms are biohazard that harm human health. They are contagious.Roundworms harm human health by releasing toxic substance into human body thereby causing infection into the human body.Read more:
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How does the structure of DNA enable its function?
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Answer: The structure of DNA enables DNA to coil so that the long molecule is compact and lots of information can be stored in a small space.
Explanation:
Answer:
DNA is made up of two nucleic acid strands joined by hydrogen bonding. DNA winds into a double helix, with hydrogen bonding between the bases of each strand like the rungs of a ladder. This structure enables DNA to coil so that the long molecule is compact and lots of information can be stored in a small space.
Which resource of the ocean floor is not currently being used, but in the future could become an important energy source?
Answers
Answer:
Deep sea creatures and mineral wealth can become a potential energy source.
Explanation:
Deep-sea organisms community that lives deep down near the ocean floor have not been fully explored and thus their holds a potential energy source for the future generations. To extract these deep ocean creatures and make use of their special abilities that can be used as an energy source. The use of deep mining projects can extract many unknown hidden resources that are potential for the future. The corals that live on the ocean floor are also a potential resource for man in the future.What statement best describes “biology”?
The naming of organisms
The study of natural selection
The science of life
The measurement of populations
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Answer:
the science of life
Explanation:
The science of life
Which of these needs to be done by a scientific committee before the drug is made available to the general public
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The needs which have to be done before the drug is made available to the general public is to ensure it is effective and safe for use by individuals which is therefore denoted as option B.
What is a Drug?This is also known as medication and it consists of chemical substances which are used to treat different types of sickness or illness and an example is Paracetamol which is used to treat fever etc.
There are different types of researches and findings which are done by scientists when a drug is being formulated. This is done so as to maximize its effect and an example is testing its active ingredient so as to determine its efficacy.
Another activity which needs to be done is to test its safety as this helps to ensure that there are no serious side effects or complications arising from the use of the drugs thereby making it the correct choice.
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The options are:
Drying and ColoringSafety and efficacyStorage and packagingWhich best describes the process the respiratory system goes through to provide oxygen to the body?
A.
Air travels in and down the trachea, through the bronchi, and into the alveoli where it is absorbed into the blood.
B.
Air travels in and down the bronchi, through the alveoli, and into the trachea where it is absorbed into the blood.
C.
Air travels in and down the alveoli, through the lungs, and into the bronchi where it is absorbed into the blood.
D.
Air travels in and down the lungs, through the alveoli, and into the trachea where it is absorbed into the blood.
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Answer:
The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.
Explanation:The right side of your heart receives oxygen-poor blood from your veins and pumps it to your lungs, where it picks up oxygen and gets rid of carbon dioxide. The left side of your heart receives oxygen-rich blood from your lungs and pumps it through your arteries to the rest of your body.
I need help!!!!!!!!!
Answers
Answer:
bullet one
Explanation:
in a ribosomal protein
At any given time, a 4-acre field contains an average of 200 kg dry weight of mallow plants. For these calculations, assume that the food chain shown below is isolated and that there are no other predators or sources of food involved. mallow plant- painted lady butterfly - phoebe- fox Assume that the dry weight of each animal is on average as indicated below Painted lady butterfly 0.1g Phoebe 48 Fox 1 kg (1000 g) a. Assuming that 10% of the biomass, as measured in dry weight, is transferred from one trophic level to the next higher level, calculate how many foxes the field could support at any given time. Show your work and include in your calculations how many phoebes and painted lady butterflies the field could support b. Construct a biomass pyramid diagram depicting the food chain described above. Include only the organisms of the food chain that the 4-acre field will support, and label the trophic level occupied by each organism. The units in your pyramid should be grams per square meter (g/m?) (Note: 1 acre = 4046.86 m).
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a. The 4-acre field will support a total of 200 g foxes at any given time.
b. The pyramid is attached.
How to calculate support for food chain?a. To calculate the number of foxes that the field could support at any given time, we need to work our way up the food chain, starting with the mallow plants:
200 kg of mallow plants x 10% = 20 kg available to painted lady butterflies
20 kg of painted lady butterflies x 10% = 2 kg available to phoebes
2 kg of phoebes x 10% = 0.2 kg available to foxes
Now to convert kg to g to make the calculations easier:
200 kg = 200,000 g of mallow plants
0.1 g per painted lady butterfly x 20 kg of painted lady butterflies = 2000 g = 2 kg
48 g per phoebe x 2 kg of phoebes = 96,000 g = 96 kg
1000 g per fox x 0.2 kg of foxes = 200 g
Therefore, the 4-acre field could support approximately 200 g of foxes at any given time.
b. The biomass pyramid diagram is attached below.
To convert from kg per acre to g per square meter, multiply by a factor of 24.711 (since there are approximately 4046.86 square meters in an acre).
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Cancer is often characterized by tumors. Which would most likely trigger the formation of a tumor?
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Answer:
When cancer cells begin new tumors far from the primary tumor, metastasis has occurred.
Dense irregular connective tissue can be found in the....
tendon or dermis of skin?
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Answer:
Dermis.
Explanation:
They are mostly located in the dermis layer of the skin, capsules around the spleen and liver as well as other organs in the body. You can also find them around the bone’s fibrous sheath.
These connective tissues are densely spaced and the fibers and fibroblasts are randomly arranged.
What factors most influence your food choices for meals and snacks? How important are these in your food choices?
Consider personal preferences, physical health, family history, nutritional needs
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The factors most influence your food choices for meals and snacks: Nutrition, Hunger, Appetite, Personal Taste, Availability, Time & Convenience, Geography/Climate/Environment, Family & Culture.
What is food choice?Food selection refers to how people decide what to buy and consume. Food choice is influenced by a complex set of factors that vary from person to person and are influenced by culture, heritage, and upbringing. We might look for price if we're on a tight budget, or allergen information if we have a food allergy. The mind will process feelings of hunger or satiety and work on stimulating appetite, which in turn influences food choice based on an individual's last meal, activity, mood, and other similar factors. Food's palatability will also influence its consumption. This refers to the taste, smell, and appearance of the food.
Here,
Nutrition, Hunger, Appetite, Personal Taste, Availability, Time & Convenience, Geography/Climate/Environment, Family & Culture are the factors that most influence your food choices for meals and snacks.
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Genes are located on
A. dna
B. Proteins
C. Rna
Answers
Answer:Dna
Explanation:
Some genes act as instructions to make molecules called proteins. However, many genes do not code for proteins. In humans, genes vary in size from a few hundred DNA bases to more than 2 million bases. (medlineplus.gov)
Humans benefit from natural resources every day. For example, right now you're using a computer or similar device
to read this question. Can you name any natural resources that were likely used to build this device? What natural
resources are you using by operating it?
Answers
Answer:
copper
Explanation:
is a mineral used to make electrical conductors because of its durability.
human beings are also natural resources,so by me operating this computer,am utilizing myself as a natural resource.
The laptop is a device which is generally used. It is composed of electrical conductors which contains metals such as copper. Copper is a natural resource.
What are Natural resources?Natural resources are those resources which are drawn from the nature and are used with few modifications. This includes the sources of valued characteristics such as those for commercial and industrial use, aesthetic value, scientific interest, and cultural value.
Copper is a highly recyclable, non-renewable natural resource. It is present in a finite amount and cannot be regenerated once used fully. Copper is a soft and malleable metal which is used in the electrical wires and cables for its good conductivity, in the industrial machinery and construction materials for its durability, machinability, and corrosion resistance, and also the ability to be cast with high precision.
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What does percent saturation refer to in the context of carbon monoxide poisoning?
Answers
The percent saturation refer to in the context of carbon monoxide poisoning is over 20-25%.
What is viewed a high stage of carbon monoxide?Levels of the carbon monoxide exposure range from low to dangerous is Low level which is 50 PPM and less. Mid level is just Between fifty one PPM and 100 PPM. High level has been Greater than 101 PPM if no one is experiencing symptoms.
Plus signs as well as the symptoms of the extreme cerebral or cardiac ischaemia. The people residing in areas of pollution may also have ranges of 5%, and heavy people who smoke can tolerate tiers up to 15%.
Therefore, The percent saturation refer to in the context of carbon monoxide poisoning is over 20-25%.
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What makes transmembrane proteins unique to non transmembrane proteins. i.e. what makes them become embedded in the er membrane while others don't?
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Many transmembrane proteins feature as gateways to allow the transport of precise materials throughout the membrane. They frequently undergo large conformational adjustments to transport a substance thru the membrane. they may be commonly exceedingly hydrophobic and combine and precipitate in water.
Transmembrane and peripheral proteins are forms of membrane proteins present inside the cell membrane. Transmembrane proteins form channels and pores to move molecules across the membranes. in the meantime, the peripheral proteins on the extracellular surface are responsible for cellular-cell signaling and interactions.
Transmembrane proteins that amplify via the bilayer w/ part of their mass on either facet are amphipathic. -hydrophobic components (facet chains) interact with hydrophobic tails of lipids. -hydrophilic components are uncovered on both facets of the membrane.
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A receptor is a structure that detects stimuli. The stigma (eyespot) of Euglenoids detects ____, assisting with phototaxis. A. light intensity and direction B. vibrations C. chemicals D. sound frequency and direction E. temperature change
Answers
Answer:
The correct answer is option A, that is, light intensity and direction.
Explanation:
A photoreceptive organelle witnessed in the motile or flagellated cells of unicellular photosynthetic species like euglenoids and green algae is known as the stigma or the eyespot apparatus. It permits the cells of the organism to detect the intensity and direction of the light and react towards it.
This assists the organisms to either swim away from the light known as negative phototaxis, or to swim towards it known as positive phototaxis. The eyespots are the basic and the most typical eyes witnessed in nature. The eyespots comprise bright areas or orange and red granules of pigment and photoreceptors.
Explain the movement of water for each of the solutions based on the concentration levels. Write under each visual.
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For a hypotonic solution the movement of water is from the solution to the cell, in isotonic solution there is no net movement and for hypertonic solution the movement of water is from the cell into the solution.
Hypotonic solution is the one where the concentration of solute is less as compared to the cell. This is the reason why movement of water is from solution to the cell and the animal and plant cell become lysed and turgid respectively.
Hypertonic solution is the one where the concentration of solute is more as compared to the cell. This is the reason why movement of water is from cell to the solution and the animal and plant cell become shriveled and plasmolyzed respectively.
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What is the purpose of the model ?
Answers
Answer:
2023 model s there u go my guy
Did dinosaurs exist at the same time as mammals? Explain your answer using the geologic time scale.
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The dinosaurs (non-bird) lived between 245 to 66 million years ago in the Earth, in a time known as Mesozoic Era, in that time some small mammals were alive. However, if you consider the humans species (Homo sapiens) the animals closer to dinosaurs that lived in the same period are the birds. Many scientists that study dinosaurs think that birds are direct descendents of one line of carnivorous dinosaurs. The dinosaurs and mammals coexist for 150 million years, the earlist known mammals were from 210 million years ago, and all the mammals today decend from the one line of these animals that survived.
Answer:
no, mammals didn't coexist with dinosaurs at that time. For instance, the Cenozoic Era saw the emergence of mammals, whereas the Mesozoic Era saw the existence of dinosaurs.
The absorption process in the kidneys depends on the ___ between the medulla and the filtrate.
Answers
Answer:
try b and tell me if i am wrong please
Explanation:
The absorption process in the kidneys depends on the between the medulla and the filtrate in the cortex as the cortex is found in between the medulla and filtrate.
The cortex presents an area for arterioles and venules from the renal artery and vein, in addition to the glomerular capillaries, to perfuse the nephrons of the kidney. Erythropoietin, a hormone important for the synthesis of the latest crimson blood cells, is likewise produced withinside the renal cortex. Its predominant feature is to reabsorb water and sodium chloride from the filtrate.
What is the function of coetex ?This conserves water for the organism, generating exceedingly focused urine: The inner-maximum location of the kidney is organized into pyramid-like structures, that include the majority of the nephron structure. renal cortex: The outer location of the kidney, among the renal tablet and the renal medulla, includes an area that consists of blood vessels that hook up with the nephrons.
Thus it is clear that the absorption process in the kidneys depends on the cortex that is in between the medulla and the filtrate.
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The lacrimal gland is also known as the tear gland. It provides the proper ingredients and most of the volume of the tears that bathe the ____ of the eye. Secretions here contain an antibacterial enzyme called ____ , and also antibodies that attack ____ before they enter the body.
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Lacrimal glands are the tear glands. These secrete tears that bathe the orbit of the eye. These secrete enzyme called Lysozyme which is antibacterial and secretory IgA antibodies that attack viruses and bacteria.
What are Lacrimal Glands?
Lacrimal glands are the exocrine glands that secrete tear. These are found in most terrestrial vertebrates and some marine mammals. These are present on the orbit above the lateral end of each eye. These secrete watery fluid which cleanses and protects the eye surface.
Secretions of the lacrimal gland contain enzymes such as lysozyme, amylase, secretory IgA antibody, etc. These protect the eye by attacking the bacteria and virus.
Therefore, proper functioning of the lacrimal gland is important for the protection and lubrication of eye.
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In a histology lab a scientist observes the following features under the microscope. Which of these
observations supports cell theory?
I. Cardiac cells are joined by gap junctions and contain three nuclei.
II. Mature platelet cells do not contain a nucleus, but do contain mitochondria.
III. Spermatogonia undergoing mitosis.
IV. The bulk of tissue samples from endocrine glands contain cells as their main building blocks.
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option III and IV supports cell theory.
The three essential concepts of cell theory are that: 1. cells are the fundamental building block of life; 2. living creatures consist of one or more cells; and 3. cells originate from preexisting cells.
Hint #2 2 / 4
In cell theory, the quantity of nuclei is not taken into account.
Hint #3 3 / 4
A new cell is produced during the process of cell division known as mitosis. This idea—that cells form from already-existing cells—is exact.
Hint #4 4 / 4
III and IV are both illustrations of cell theory in the actual world. Mitosis, which is the process by which preexisting cells divide to form new ones, demonstrates how cells make up living things, as does the cellular makeup of glands.
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What is the mass of the nucleus?
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Answer:
A nucleus consists of Z protons and N neutrons. Let the mass of the nucleus be M (Z, N ).
Which of the following is an example of a learned response? OA A child figures out how to ride a bicycle. O B. An adult salmon is able to return to the river where it hatched. OC. A plant turns to follow the sun during the day. OD. A man blinks when an object is tossed toward his face.
Answers
Answer:
Explanation:
I would say A. Learning to ride a bicycle is a process of getting on and falling off. You have no idea how to do it properly without practice. That's learned.
But look out for D. I'm not sure that that isn't instinctive. Somewhere along the line I think even a baby knows not to let his/her eyes be touched. Is it learned? It's close but A is a much better answer.
The salmon is instinctive. The plant doesn't learn to turn towards the sun. It does so because more food is produced.
Yes, it's A.
A is the only option that is not instinctual. Riding a bicycle is something that has to be taught (and even if you weren't taught to ride a bike, you had to figure it out by trial and error.)
The other options are instinctual and reflexive responses. The salmon returning to the river is a behavior that is pretty much hard-wired into the salmon's brain. The plant turns to follow the sun because it is a source of light and energy.
The other user expressed uncertainty as to option D, but in fact, option D is very much a reflexive, instinctual response as well. To flinch or blink when something abruptly moves towards you is not a choice or something you have to be taught — it's a reflex, something you can't control.
Gregor Mendel crossed true-breeding plants with yellow seeds (YY) and true-breeding plants with green seeds (yy) to determine what this cross would produce. What is the independent variable in Mendel's experiment?
Question 12 options:
How many tall plants resulted from Mendel's cross
How many yellow plants resulted from Mendel's cross
Color of seeds Mendel chose to cross
Height of plants Mendel chose to cross
Answers
Answer:
Color of seeds Mendel chose to cross
Explanation:
This variable does not depend on the other variables you are trying to measure, so it is independent.
In Gregor Mendel cross, the variable does not depend on the other variables you are trying to measure, so it is independent.
What is Gregor Mendel cross?Mendelian Crosses: In one of his experiments on inheritance patterns, Mendel crossed plants that were true-breeding for violet flower color with plants true-breeding for white flower color (the P generation).
Mendel first experimented with just one characteristic of a pea plant at a time. He began with flower color and cross-pollinated purple- and white-flowered parent plants. He was surprised by the results. This led to his law of segregation.
A dihybrid cross is a breeding experiment between two organisms which are identical hybrids for two traits. In other words, a dihybrid cross is a cross between two organisms, with both being heterozygous for two different traits.
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