Directions (Q. 1 - 5): Rearrange the following six sentences (A), (B), (C), (D), (E) and (F) in the proper sequence to form a meaningful paragraph and then answer the questions given below.
(A) We have seen that increase or decrease in temperature causes extinction of organism if they are not able to tolerate this range of temperature.
(B) Temperature is an essential ingredient for survival of organisms.
(C) Some birds and mammals migrate to warmer places in winter to avoid extreme cold œ this is essential for their survival.
(D) The living organisms can survive only in a narrow range of temperature which allows their metabolism.
(E) Therefore, for survival, an organism must develop physiological adaptation to withstand extremes of temperatures.
(F) Similarly, some desert animal’s like snakes, rats etc. live inside burrows to avoid the intense heat of the desert.
1. Which of the following should be the FIRST sentence after rearrangement?