Answer:
Explanation:
The nitrogen compounds through which excess nitrogen is eliminated from organisms are called nitrogenous wastes (/naɪˈtrɒdʒɪnəs/) or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
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Answer:
Explanation:The nitrogen compounds through which excess nitrogen is eliminated from organisms are called nitrogenous wastes (/naɪˈtrɒdʒɪnəs/) or nitrogen wastes. They are ammonia, urea, uric acid, and creatinine. All of these substances are produced from protein metabolism.
what negative impacts do wildfires have on ecosystems, and what can be done to fix this problem?
fires in the ecosystem have only negative impacts.Because the gases released by their fumes have a harmful content.So the reduction, the over-care of people wanted to change everything.
A collaborative commercial construction venture is like which of the following?
Answer:
(B) two organisms working together
Explanation:
took the test and got it right
Solutes and solvents must have similar chemical properties to form a solution.
true or false
Answer: I think it is true! Sorry of it is wrong :)
Cells reproduce by splitting in half, a process called cell division. What do cells need to do between divisions to make sure that they don’t just get smaller and smaller?
Answer:
Grow
Explanation:
Before every cell division, cells replicate their DNA to pass on to the daughter cells. They also grow in size and replicate their organelles to ensure that each daughter cell has sufficient resources to carry out all the activities necessary for its function. They also ensure there are sufficient nutrients to perform their tasts.
Cells only need to grow in size and contents before each cell division so as to avoid getting smaller in size with successive divisions.
Each of the daughter cells produced during mitotic cell division goes through an interphase period. The interphase period is divided into 3:
G1 phase: a period characterized by cell growth. An increase in size and volume of content is achieved in this stage.S phase: a period characterized by the synthesis of DNA. The amount of genetic materials (DNA) doubles up in this stage, whereas, the chromosome number remains constant.G2 phase: a phase in which protein is synthesized. After this stage, the cell is ready to pass through a period of division.Without going through the stages above, a cell will simply go into a dormant phase which is essentially a resting phase.
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According to Chargaff's rule, base pairing in DNA should resemble which of the following?
A = T; C = G
A = C; T = G
A = G; T = U
A = U; C = G
The Char gaff rule is all about the number of adenine is equal to the number of thymine and with that the number of cytosine is equal to the number of guanine. The correct answer is option B.
What are the types of bonds that are present in between these nitrogenous bases ?The kind of bonds that are present in these nitrogenous bases are hydrogen bonds. A binds with T with two hydrogen bonds and C binds with G through 3 hydrogen bonds.
It is all about that the number of purines is equal to the number of pyrimidines. The number of adenine molecule are present totally in equivalence to the number of thymine molecules.
The number of guanine molecules are present in the molecule of DNA are totally in numbers to the cytosine. In place of thymine uracil is present which is present in RNA.
Therefore, The Char gaff rule is all about the number of adenine is equal to the number ofThe Char gaff rule is all about the number of adenine is equal to the number of thymine and with that the number of cytosine is equal to the number of guanine. The correct answer is option B.
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Change that happens in a living organism because of a stimulus
Answer: A change in an organism's surroundings that causes the organism to react is called a stimulus (plural stimuli). An organism reacts to a stimulus with a response- an action or change in behavior. Another example is if you are cold, you shiver. The cold is the stimulus while the shivering is the response.
(The plural of stimulus is stimuli. Its verb form is stimulate, which typically means to spur into action or to invigorate.)
Explanation: I hope this helps plz tell me if its wrong so i can fix it :)
On what islands did Charles Darwin do his study on biodiversity?
In photosynthesis what are the 2 major reactions that take place
Answer:While the mechanisms of photosynthesis are complex, the overall reaction occurs as follows: carbon dioxide + sunlight + water ---> glucose (sugar) + molecular oxygen. Photosynthesis takes place through several steps which occur during two stages: the light phase and the dark phase. Stage One: Light Reactions
Explanation:
eh it called google
Answer: light-dependent reactions and the Calvin cycle
Explanation:
(light-independent reactions). Light-dependent reactions, which take place in the thylakoid membrane, use light energy to make ATP and NADPH.
1. How many food chains make up the food web?
2. Which organism is an herbivore?
3. Which organism is an autotroph?
4. Which organism is a third-order heterotroph? To what trophic level does that organism belong?
5. Which organism is an omnivore?
6. Which organisms belong to more than one food chain?
7. Which organism belongs to more than one trophic level?
8. What are decomposers? From which trophic levels are the organisms that decomposers feed on?
9. What does a pyramid of energy show about the amount of energy available at different trophic levels of a food chain?
10. Why do different trophic levels have different amounts of energy?
Answer:
A food web can be formed by more than one food chain, since the webs includes all possible interactions that can occur between individuals of different trophic levels.
Explanation:
Based on the scheme shown in the image
1. How many food chains make up the food web?This food network is made up of three food chains
Plant → Bird → SnakePlant → Insect → Bird → SnakePlant → insect → Frog → SnakeFood webs often include several food chains, since they are due to the interaction between organisms at different trophic levels, which actually happens within an ecosystem.
2. Which organism is an herbivore?In this case, both the insect and the bird are herbivorous organisms, since they feed of the producer, which is the plant.
3. Which organism is an autotroph?The only autotrophic organism is the plant, since it is capable of manufacturing its nutrients from sunlight and inorganic matter.
4. Which organism is a third-order heterotroph? To what trophic level does that organism belong?The third order heterotroph is the snake, since it feeds on other animals. The snake is a carnivore and can be a secondary or more commonly tertiary consumer, so it can be placed in the 3rd or 4th trophic level.
5. Which organism is an omnivore?According to the scheme proposed, the bird is omnivorous, since it feeds on both plants and insects.
6. Which organisms belong to more than one food chain?In this case, the plant, the insect, the bird and the snake are part of more than one food chain.
Plant → Bird → SnakePlant → Insect → Bird → SnakePlant → insect → Frog → Snake 7. Which organism belongs to more than one trophic level?The bird can be located in both the second and third trophic level, being a primary consumer —when it feeds on plants— or secondary, when it feeds on insects.
8. What are decomposers? From which trophic levels are the organisms that decomposers feed on?Decomposers are generally bacteria and fungi, organisms capable of degrading organic matter, thus enriching the soil. Decomposers can feed on any trophic level.
9. What does a pyramid of energy show about the amount of energy available at different trophic levels of a food chain?As the ascent of the pyramid occurs —or at the upper trophic level— the amount of energy available decreases. This is because from one trophic level to another only 10% of the energy can be used. If a plant has 5000 Kcal available, the herbivore that consumes it can only use 500 Kcal.
10. Why do different trophic levels have different amounts of energy?The main reason for the difference in energy in each trophic level is that energy is lost in each one of them, which the organisms use in their metabolism. A consequence of the metabolism is the loss of energy as heat, which is acquired by the environment.
Which of these best describes a climax community?*
Answer:
A very stable community
Explanation:
A.P.E.X
As the concentration of molecules outside a cell increases, more molecules will enter the cell because--
Answer:
of diffusion
Explanation:
Molecules move down a concentration gradient without the need to use energy. This means they move from a high concentration to a low concentration. This occurs across a semi-permeable membrane, like the cell membrane, by simple diffusion.
Name 3 some sources of C02.
Answer:
I am not 100% sure i can't remember but i believe it coal, oil, and natural gas. but I might be wrong.
Answer:
liquid gas and solid
Explanation:
because you can freeze water you can turn water into gas and you can have it regular
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Answer:
Independent: the type of humming bird food
Dependent: the amount of humming birds that come to the feeder
Explanation:
what percentage of volcanoes are active in the world?
Answer:
33% is the actual answer since there is 1,500 volcanoes however only 500 have erupted.
Explanation:
An atom of a certain element has 18 protons, 18 electrons, and a mass number
of 40. At room temperature this element is a very stable gas. How many
neutrons are in this atom?
Record your answer and fill in the bubbles on your answer document. Be sure
to use the correct place value.
Answer:
40-18 = 22
Explanation:
The mass number is the sum of the neutrons and protons. You know you have 18 protons and a mass number of 40.
describe some home or business technologies that use spectrometric equipment to analyze the atmosphere or temperature.
Some home/business technologies that use spectrometric equipment are ;
Home security systems like fire alarms and Air conditioning systemThe fire alarms and air conditioners found in our homes are triggered when the temperature of the atmosphere changes from been too cold to been too hot or vice versa.
Home technologies that respond to changes in the environment or atmosphere are equipped with some level of communication technology which enables them to respond to changes in the environment via automation. The communication technology found in these home appliances makes use of spectrometric equipment ( measures changes of light wavelength across the electromagnetic spectrum )
Hence we can conclude that Some home/business technologies that use spectrometric equipment are ; Home security systems like fire alarms and Air conditioning system
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Which statements describe how the environment affected village life?
Coral is a keystone species for the Great Barrier Reef. Many organisms and ecosystems in the reef rely on coral for a variety of reasons. Ocean acidification bleaches coral and kills coral. Explain the impact this would have on the biodiversity of the ecosystems within the Great Barrier Reef.
Answer:
The impact this would have on the biodiversity of the ecosystems within the Great Barrier Reef is that knowing its takes million of years for coral reef to develop it would be devastating as a end result because many organisms and sea lifes rely on the Great Barrier Reef for survival.
Why is mass a better unit for measuring matter than weight?*
Because mass can change, but weight doesn't
Because mass is constant, while weight depends on gravity.
Because it makes more sense.
Answer:
Because mass is constant, while weight depends on gravity.
Explanation:
For example, your mass on Earth will be the same as your mass on planet Mars. Your weight however, will change depending on the force of gravity exerted on you.
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Which is not a statement of the Cell Theory?
Cells are the basic unit of life
All cells come from pre-existing cells
All living things are made of cells
All cells are prokaryotic and eukaryotic
Answer:
the last option is your answer
Answer:
All Cells are prokaryotic and eukaryotic.
Explanation:
the other 3 are the statements of cell theory
3. How do you make new cells?
Answer:
New cells are created from a process called cell division. The new cells are produced when a cell, called the mother cell, divides into new cells called daughter cells. When two daughter cells have the same number of chromosomes as the original cell, the process is called mitosis
Explanation:
Rocks, temperature and water are what part of the environment?
Answer:Biotic factors include animals, plants, fungi, bacteria, and protists. Some examples of abiotic factors are water, soil, air, sunlight, temperature, and minerals.
Explanation:
Which of the following is an example of adiploid cell?
ovum
neuron
sperm
multicellular, do not move, have a cell wall, have a nucleus and other organelles, have no
chloroplasts, heterotrophs
Water lilies grow in freshwater ecosystems. When a water lily plant is kept in seawater, it wilts. Which statement best describes what happens to the water lily plants in seawater?
a.Water moves out of the cells of the lily by osmosis
b.Water moves into the cells of lily by osmosis
c.The cells of water lily plants get less oxygen from the seawater
d.The cells of water lily plants lose all important nutrients to the seawater
IN A TEST RN!!!!
is it a, b, c, d ???
Answer:
I believe that it is D.
Explanation:
If ice caps are melting, and polar bears use the ice flows to get their food, then the polar bears can't use the ice to get food. so, the polar bears most likely are expanding their diets to adapt to their surroundings. So, polar bears are probably moving off the sea ice and eating other foods.
more____in our atmosphere make our planet
Answer:
Explanation:
what two properties do we use to classify autotrophs?
These two things classify autotrophs.
1. Autorophs create their own food.
2. They do not eat prey, the eat their own food.
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In which situation would osmosis most likely occur
The case in which osmosis occurs is that when there is a selective permeable membrane is present and it allows only selective substances to pass through the channel.
What is osmosis?Osmosis is the process in which molecules of the solvent pass via a semipermeable membrane from a lower concentrations to higher concentration or from less concentrated solution to high concentrated solution. In the process of osmosis movement of water takes place.
There are mainly three types of osmosis and these are hypertonic, hypotonic, and isotonic. The process of osmosis is passive transport as water moves from low solute concentration to high solute concentration.
Osmosis is also known as diffusion of water or solvent via a membrane which allows only selective substance to go across the channel. The process of osmosis does not require ATP because it is a passive process.
Therefore,The case in which osmosis occurs is that when there is a selective permeable membrane is present and it allows only selective substances to pass through the channel.
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I need help please !
Answer:
14. f. diffusion
15. a. excreting waste
16. b. exocytosis
17. a, endocytosis
Explanation:
14. The movement of molecules from a high concentration to a low concentration is diffusion. Active transport uses energy to move molecules against their concentration gradient (from low to high). Osmosis specifically refers to water molecules. Endocytosis is the movement of molecules inside the cells via the cell membrane engulfing it.
15. The membrane controls the substances that enter and exit the cell, therefore it is involved in excreting waste products from inside the cell.
16/17 Endocytosis is engulfing substances to bring them inside the cell. Exocytosis is the reverse process, where substances exit the cell by fusing with the cell membrane. The movement of molecules from a high concentration to a low concentration is diffusion. Osmosis specifically refers to water molecules.