The main goal of cellular respiration is the production of molecules.? a) adp
b)atp.
c)glucose

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

The function of the excretory system is to control homeostasis and

Some substances but not other can cross the (blank) membrane of a cell