Plants photosynthesize a. only in the light. b. only in the light but respire only in the dark. c. and respire only in the light. d. only in the dark but respire only in the light.

Plants photosynthesize only in the light but respire in light and dark

the answer is b.) hydrogen bonds between bases.

not necessarily. higher fitness requires the organism to be reproductive successful. for example, an organism at age 10 with 15 offspring is much more fit than an organism at age 15 with only 5 offspring.