Your uncle has a stem cell treatment in which he has skin cells injected into his lungs. a benign tumor of skin cells resulted. what is this called?

Average annual precipitation and are the two major features that define the biomes on earth.

Animal bodies (and even plant bodies for that matter) are complex enough that life couldn't exist without enzymes. enzymes are usually large, complex biological catalysts that are expensive to make. enzymes speed up the rate of chemical reactions without being used up during the reaction (they can be reused many times). they are highly specific in the reactions they regulate. knowing what enzymes are and how they function, why does this explain why complex life forms could not exist if there were no enzymes.

Which is an example of a decomposer? a. bear b.algae c.grass d.bacteria d bacteria