The number of trophic levels in an ecological energy pyramid

a. is limited by the amount of energy lost at each trophic level
b. is impossible to figure out
c. is limitless
d. never exceeds three

Drag each label to the correct location on the table. each label can be used more than once. decide whether each statement describes saturated fat, unsaturated fat, or both saturated and unsaturated fats.

The chemical form of energy that is useable by the cell to do work

Which of the following is a true statement? a. individuals evolve to have adaptations. b. individuals have adaptations that can change over time. c. individuals have traits that may or may not make them successful at reproduction. d. populations cant evolve, only individual organisms.