Which mechanism of evolution is caused by a population moving to a secluded mountain valley that is cut off from any other populations? Natural selection
Mutations
Genetic drift
Gene flow

Environmental differences within ecosystems are generally caused by

Match the types of competition to their descriptions

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms