Bone disorder causes

it’s environmental science pls i need it now and own words .

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.

Environmental impacts on evolution : mastery test

What is the similarities and differences between bacteria and eukaryote?