4. A population of wolves migrates north in search of food. As the wolves travel, they enter a region that has long, snowy winters. Some of the wolves have an allele that
gives them white coats. This makes them better able to sneak up on prey.
a) Give two reasons that the wolf population is not at Hardy-Weinberg equilibrium.
b)Which type of wolf is selected for in this new ecosystem?
c)How will the allele frequency change in the wolf population?
d) Is this an example of natural selection? Explain.

12) several teeth were found in an area of flat land covered with trees and plants. the teeth were examined by a paleontologist, and it was determined that the teeth came from a shark. they found many other shark teeth in this area. however, the people who discovered the teeth were puzzled, because there was no source of water near where the fossils were found. what is the paleontologist's best explanation for why the teeth were found in this area? a) sharks used to live on flat land. b) this area was once covered with salt water. c) this area was once covered with freshwater. d) someone buried the shark teeth deep in the ground.