Answer:
In population genetics, the founder effect is the loss of genetic variation that occurs when a new population is established by a very small number of individuals from a larger population. In extreme cases, the founder effect is thought to lead to the speciation and subsequent evolution of new species. No duh :D
Explanation:
Answer:
The correct answer is C. Due to increased shark populations, seal populations have more streamlined bodies.
Explanation:
Natural selection can only be compared between organisms of the same species. The comparison between sharks and seals is not an example of natural selection because it doesn't explain properly why there's a relationship between the two species and how it led to a change in the seals' bodies.
Scientists use all kinds of evidence in order to make sure that their claims are true.