1. The amount of usable energy remains constant as it is passed from one trophic level to another. |
2. The energy within an ecosystem is fixed and never changes. |
A) 1 only
B) 2 only
C) Both 1 and 2
D) neither 1 nor 2
Correct Answer: D
You need to login to perform this action.
You will be redirected in
3 sec