Adam was the first men of earth
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.
It would be harder for us to identify all the different types of animals that lived long ago.
Can you please include more information place region relative location physical system and human system