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JulijaS [17]
3 years ago
5

Why is it important to control what goes in and out of the cell?

Biology
1 answer:
Elden [556K]3 years ago
7 0
The cell membrane is a selectively permeable membrane which controls what goes in and out to ensure that not just anything comes in through it's own accord. 
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1100

Explanation:

There is 10% of total energy in each increasing trophic level.                    10,000 / 10 = 1,000 ,so there are 1,000 units of energy in trophic level 2.

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1,000 + 100 units of combined energy would be 1,100 units of energy.

Hope this helps!

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