question_answer 49)

  Marked temperature changes in aquatic environment can affect (a) breeding of animals                                                 (b) more growth of aquatic plants (c) process of digestion in animals                            (d) availability of nutrients

Answer:

  (a) Most of the aquatic animals are cold blooded, i.e., their body temperature may vary according to the environment moreover the eggs and larvae of aquatic animals are highly susceptible to temperature changes.