How is the earthworm beneficial to the formation of soil? a) they eat soil. b) they digest soil. c) they mix soil. d) they aerate soil. e) all of the above.

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.

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

(99 points) be serious! how do farts work? how do you fart without it stinking? serious answers only