Lesson: Chapter 15 — The biosphere

Ecological pyramids 2 of 4 Reset answers

Clear all your answers?

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Type these four numbers to confirm:

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Yes, clear Keep them

Question 2

Plants in a chain trap 20000 J. About how much reaches the secondary consumers?

A 200 J B 10000 J C 20 J D 2000 J

The right answer is the one marked above.

200 J. 10% of 20000 J is 2000 J for the primary consumers, and 10% of that is 200 J.

Answer the question to continue.