1. Which of the following did NOT result from the evolution of photosynthesis? A. The atmosphere became aerobic
B. The ozone layer was formed
C. Prokaryotic cells evolved from eukaryotic cells
D. The process of respiration could take place

answer: - b cells

explanation: -

so, the b cells mediate their action by identifying the antigens present on the surface of the pathogens and then producing antibodies in return to mediate its effect.

they fuse to form they have half as many chromosomes as a somatic cell of the same individual. b

supercell thunderstorms are perhaps the most violent of all thunderstorm types, and are capable of producing damaging winds, large hail, and weak-to-violent tornadoes

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )