A diagram that shows the amount of energy that moves from one feeding level to another in a food web is A: food chain
B: energy pyramid
C: ecosystem
D: niche

Classify the structures as homologous or analogous, depending on their structure and function.

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.

What is the cause hearing loss in human being