Which one of the following correctly represents an organism and its ecological niche?

$A$ physical place or set of environmental conditions around the organism to which it must adapt to survive and prosper is . . . . . . .

Which of the following organisms do not enter a state of dormancy to escape environmental stress?

Small animals have a larger surface area relative to their volume,so they tend to lose body heat very fast when it is cold outside. Then they have to expend much energy to generate body heat through metabolism. This is the main reason why very small animals are rarely found in polar regions. Which of the following explains why small animals are more easily able to climb up a rock compared to large animals?

In colloquial language,habitat is a postal address while niche is the . . . . . . of the organism.

Bottom dwelling animals constitute: