2 years ago

Why is biomass at the second trophic level in most ecosystems not as great as biomass at the first trophic

1 answer:

7 0

Only about ten per cent of the biomass is transferred from each trophic level to the next. The remaining 90 per cent is used by the trophic level to complete life processes . Biomass can be lost between stages because not all of the matter eaten by an organism is digested.

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What is the mean of the data set [3,2,2,12,6,5,14,4]? A.2 B.4 C.6 D.7

zysi [14]

Answer:

Explanation:

To find the mean of a data set, add all the values in the set together, and then divide the result by the number of values in the set.

3 + 2 + 2 + 12 + 6 + 5 + 14 + 4 = 48

There are 8 values in the data set.

48/8 = 6

So the mean of the data set is 6.

8 0

2 years ago