Which distinguishes mitosis from meiosis? A. Mitosis has one DNA replication, while meiosis has two DNA replications.
B. In mitosis, the nucleus divides once. In meiosis, the nucleus divides twice.
C. In mitosis, homologous chromosomes pair up. In meiosis, there is no pairing of chromosomes.
D. Mitosis results in the production of gametes, while meiosis results in the production of body cells.

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

If the birth rate of a population of dolphins is 2.0, the death rate is 0.5, and the population size is 100, what is this dolphin's population growth?

Photosynthesis converts solar energy into what type of energy?