Blubber is present in ...

Plants that grow in water are known as:

Chaparral occurs in which area?

Warm-blooded animals like mammals from colder climates generally have shorter ears and limbs. This is an explanation of:

$A$ plant species shows several morphological variations in response to altitudinal gradient. When grown under similar conditions of growth,the morphological variations disappear and all the variants have common morphology. What are these variants called?

Ecological hierarchy comprises which of the following sequences?