Why did charles darwin keep a journal

Imagine ? person stepping on a pin and pulling his or her foot way look at the réfléchir arc of the scenarios below

Monitor and apply fix up strategies

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.