The diagram below shows an Arctic energy pyramid . As energy moves up trophic levels of the artic energy pyramid, it A. increase
B. Decrease , then increase
C. decrease
D. increase , then decrease

Ausable water source is one that can be used by humans for drinking or agriculture. identify the water reservoirs as usable or unusable based on their current state. oceans rivers glaciers freshwater lakes groundwater

The similarities of organisms in which two areas numbered above provide the best evidence for common ancestry between organisms in both locations?

Moving down the ramp from 6 meters to