During reproduction, cells can produce genetically different offspring, whereas during reproduction, cells produce genetically identical offspring.

When is your respiration rate likely to change? a. when your intestines are digesting b. when your cells have too much glucose c. when your cells need more oxygen d. when your liver is working after a meal

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.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?