Based on temperature,plants are classified by:

Consider the following statements $(A - D)$ each with one or two blanks.
$(A)$ Some snails go into $ . . . . . . (i) . . . . . . $ to avoid $ . . . . . . (ii) . . . . . . $ related problems.
$(B)$ Since small animals have a $ . . . . . . (iii) . . . . . . $ surface area relative to their volume,they tend to lose body heat $ . . . . . . (iv) . . . . . . $ when it is cold outside.
$(C)$ Next to temperature,$ . . . . . . (v) . . . . . . $ is the most ecologically important environmental factor.
$(D)$ Every $ . . . . . . (vi) . . . . . . $ the famous Keoladeo National Park in Rajasthan hosts thousands of migrating birds.
Which one of the following options gives the correct fill-ups for the respective blank numbers from $(i)$ to $(vi)$ in the statements?

What is the basis of variations in the physical and chemical conditions of different habitats?

The photic or euphotic zone extends to what depth from the upper surface of the sea?

Which ecological factors are the most strong determinants of various biomes?

Plants adapted to grow in shade are