Which of the following does not occupy the bottom of an energy pyramid? a. phytoplanktonb. treesc. grassd. zooplankton

In what for do plants utilize nitrogen? why do they need nitrogen?

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.

20 the main source of energy for our planet comes from the