Three pieces of evidence are given to you below you will choose two pieces of evidence that you are going to apply to the standard above therefore one box can be left blank. HELP ASAP!!!

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.

Which blood cell spend most of their time in the lymphatic system?

Which heredity condition causes a buildup of mucus in lungs and pancreas? a. cystic fibrosis b. heart disease c. huntington's disease d. sickle cell anemia