Which of the following does not occupy the bottom of an energy pyramid?
a. phytoplankton
b. trees
c. grass
d. zooplankton?

Living cells cannot use heat to provide the activation energy for biochemical reactions because which choice(s) complete the sentence correctly? a) answer choice ii. eliminate b) answer choices ii and iv. c) answer choice iii and iv. d) all answers can complete the sentence.

What is the inability of an individual or a society to achieve a minimum standard of living known as ?

This group of organisms perform the process of ammonifcation. a. herbivores b. decomposers c. carnivores c. plants