The answer is the
population size. The chance has a role
in determining whether a given individual survives and reproduces and the
alleles in the offspring are a sample of those in the parents. it is the change
in the frequency of an existing gene variant (allele) in a population due to
random sampling of organisms. Genetic Drift or another term for allelic drift
or the Sewall Wright effect.
Answer: B
Reason: rural farmers may lose their income
Answer:
Competitive exclusion occurs when " organisms attempt to fill the same niche"
Explanation:
mostly due to the fact that they are competing over the same food source, which is always limited in some way.