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Sophie [7]
3 years ago
10

Why do biologists measure the number of trophic levels in an ecosystem?

Biology
1 answer:
slega [8]3 years ago
3 0

Answer:

Biologists measure the number of trophic levels in an ecosystem so as to check its stability and health.

Explanation:

Trophic levels are the feeding position in a food chain such as primary producers, consumers, etc. They are positions that an organisms occupies in a food chain (series of steps in which organisms transfer energy by eating or being eaten);- what it eats and what eats it. 

Theoretically there is no any limit to the number of trophic levels in a food chain or number of organisms that live on each level.

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What system moves O2 and CO2 around?
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respiratory system

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The function of the respiratory system is to move two gases: oxygen and carbon dioxide.

4 0
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Which gene determines what letter is used to represent a pair of traits?
Alex

Answer:

The dominant gene determines what letter is used to represent a pair of letters.

Explanation:

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Bb: still means brown because there is still a dominant gene

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Hope this helps!

4 0
2 years ago
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klasskru [66]

Answer:

try D

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6 0
3 years ago
Read 2 more answers
16. Explain why pollution caused the shift in the phenotypes of the peppered moth during the Industrial Revolution. (2pts)
andrey2020 [161]

Answer/Explanation:

Pollution during the industrial revolution caused trees to become covered with soot, making them darker. This dark appearance meant that the peppered moth, which usually had a light colour, was clearly visible against the tree. This meant it was easier for predators to identify. As a result, their numbers decreased because they were an easier target.

However, there was also a rarer form of the moth, which was dark in colour. These were initially very rare. However, because of the change in the tree colour owing to the industrial revolution, these moths were better suited to the environment, as they were more camouflaged against the dark tree. This meant it was easier for them to avoid predators, and so they were more likely to survive to reproductive age and pass on the genes that produce the dark colour.  This meant that the dark moths increased in number.

4 0
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