This is true , trees loose their leaves as a part of growth, also in seasons they loose leaves.
I believe that all members of one species form a population.
Answer:
Limitation of comparative investigation is that when it is done on a huge population, huge amount cost is required. Explanation: Benefit of comparative investigation is that we can get descrete information about specific breed or species. It is important for the study of behaviour of many organisms.
Your answer would be B.
Because, all the other answers could result in a decrease of the population of the specie (but it wouldn't be cyclic).
