True. True. False True True True False True False True True False
Genetic drift is a mechanism of evolution in which allele frequencies of a population change over generations due to chance (sampling error).
Genetic drift occurs in all populations of non-infinite size, but its effects are strongest in small populations.
Genetic drift can have major effects when a population is sharply reduced in size by a natural disaster (bottleneck effect) or when a small group splits off from the main population to found a colony (founder effect).
Answer:
Respiratory
Explanation:
It provides oxygen that is necessary for the heart to pump blood to the body. It also provides oxygen for the brain to work
D or a. The others shouldnt be correct
