2. Describe how humans are increasing greenhouse gas levels.
Describe = say what you see!

Which level of consumer had access to the smallest apply of energy

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.

Individuals do not compete directly for resources, but are prey for the same predator