1. Which of the following best describes natural selection?
A. when a small sample of a population leaves and establishes a new population.
B. The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.
C. When traits are determined by multiple genes and environmental factors and cannot be predicted using Punnett squares
D. The process by which organisms are separated by chance events, such as natural disasters, causing the frequency of the population to change.
2. What is one similarity between genetic drift and gene flow?
A. They are both caused by the migration of species.
B. They both cause a change in the frequency of traits in a population.
C. They are both caused by natural disasters, such as hurricanes.
D. They both occur in a population by chance.
answer both
1. B. The process by which organisms that are better adapted to the environment tend to survive and produce more offspring.
2. D. They both occur in a population by chance.