Answer:
C. Populations of prairie chickens and passenger pigeons have been reduced by the loss of the burying beetle.
Explanation:
Answer: A is the correct answer
Explanation: a pull factor is something that attracts people, so moving somewhere because you found a great new school is a pull factor. The other answers are push factors
Answer:
Correct answer is (a). Assimilation of immigrants into the existing population.
Explanation:
The frequency distribution will not change from generation to generation once a population is in Hardy-Weinberg equilibrium. However, on assimilation of immigrants into the existing population, the equilibrium will definitely change.