Cellular respiration is called an aerobic process because it requires
a. glucose.
b. oxygen.
c. exercise.
d. light.

What is the answer for the complicated molecules that make up living things usually contain carbon. why is carbon so important in these molecules?

Hurry which of these is true about index fossils? a) are very scarcely found b) used as guides in relative dating c) found in the youngest layer of the rock d) used as reference points in absolute dating

Can bacteria reproduce in a way such that when you start out with two bacteria, you get five bacteria? why or why not? * a. yes, because bacteria reproduce sexually, and can produce any number of offspring, just as humans do. b. no, because bacteria grow at an exponential rate. c. no, because when bacteria reproduce, they split into two parts, and two bacteria splitting would result in four bacteria.