The first one is A and the second one is probably A unless it could be D.. Not completely sure.
Answer:
sex
Explanation:
a male puts his erect punishment in a females vaginal canal. this stimulates his penis until he ejaculates, and his sprem fertilizes the females eggs
Gene duplication, mutation, or other processes can produce new genes and alleles and increase genetic variation. New genetic variation can be created within generations in a population, so a population with rapid reproduction rates will probably have high genetic variation.
Answer:
organic compounds are broken down in the absence of oxygen
Explanation
for example alcoholic fermentation done by Saccharomyces Cerevisae
C6H12O6-->2CO2+2C2H5OH
