Which characteristic of life best describes the process of photosynthesis?
a. using energy
b. containing cells
c. reproducing
d. growing and developing

Why does meiosis produce cells with half the chromosomes? o a. most of the chromosomes are not necessary to keep an organism alive. b. a gamete needs only half the number of chromosomes because two gametes join together. o c. it makes the gametes easier to move around in the organism. o d. it is faster to produce gametes with fewer chromosomes.