B. sexual selection, which alters allele frequencies in the gene pool.
Im not 100% sure but the best answer I can give is Prokaryotes because they came to be around the time oxygen did as well.
Answer:
false
Explanation:
im not sure if this is the entire question but from what I can see, I would prove this false
Age- younger people have smaller capacity
gender-males have larger capacity
muscle mass
aerobic fitness
diseases of the respitorary system