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miv72 [106K]
3 years ago
15

What is a long-term effect of the increased primary productivity of a terrestrial ecosystem

Biology
2 answers:
mr_godi [17]3 years ago
8 0

Answer: The primary productivity can be defined as the rate at which the energy is transformed by chemosynthetic and photosynthetic organisms to organic compounds.

If the primary productivity of an ecosystem increases the net primary productivity will also increase as net primary productivity represents energy available to primary consumers( energy remains after respiration and heat loss by primary producers), it will lead to availability of sufficient amount of food.

hoa [83]3 years ago
3 0
The long term effect is that the increased primary productivity of everything it consumes around its food web
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In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a single sp
Maru [420]

Answer:

In a particular case of secondary succession, three species of wild grass all invaded a field. By the second season, a single species dominated the field and the other two species had a lower relative abundance. A possible factor contributing to the abundances of these species in this example of secondary succession is <u>inhibition</u>.

Explanation:

Trees are great examples of allelopathy in plants. Some use their allelochemicals to inhibit germination or impede development of nearby plant life. Most allelopathic trees release these chemicals through their leaves, which are toxic once absorbed by other plants. Black walnut is a prime example of this.

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3 years ago
which example of a missense mutation in a protein-encoding gene would most likely be a neutral mutation?
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An example of a missense mutation in a protein-encoding gene would most likely be a neutral mutation is option B: replacement of a polar amino acid with another polar amino acid at the protein's surface.

A frequent and well-known example of a missense mutation is the blood condition sickle-cell anemia. Missense mutations exist in the DNA at a single location in sickle-cell anemia patients. A different amino acid is required in this missense mutation, which also alters the overall structure of the protein. Similarly, replacement of a polar amino acid by another polar Ami no acid at the protein's surface is a missense mutation causing change in a single site.

A neutral mutation is one whose fixation is unrelated to natural selection. Therefore, the independence of a mutation's fixation from natural selection can be used to define the selective neutrality of a mutation.

To know more about mutations, refer to the following link:

brainly.com/question/20407521

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Complete question is:

Which example of a missense mutation in a protein-encoding gene would most likely be a neutral mutation?

a) Replacement of a polar amino acid with a nonpolar amino acid at the protein's outer surface

b) Replacement of a polar amino acid with another polar amino acid at the protein's surface

c) Replacement of a polar amino acid with another polar amino acid in the protein's interior

d) Replacement of a polar amino acid with a nonpolar amino acid in the protein's interior

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1 year ago
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Oxygen and carbon dioxide pass through the plasma membrane by _____.?
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The correct answer should be Diffusion.
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