Ascientific law is
a. a universally accepted conclusion based on testing
b. always changing as new evidence is presented
c. based on new evolving theories
d. often debated in the scientific community
e. one step toward forming a theory

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.

Select the best answer for the question, ly 12. which of the following behaviors is not an inherited behavior?

What are the most explosive events that occur on the sun? umbras solar flares solar winds prominences