Plants that grow in water are known as:

Give an example for:
$(a)$ An endothermic animal
$(b)$ An ectothermic animal
$(c)$ An organism of benthic zone

Below is the diagrammatic representation of the response of organisms against temperature. Find out the correct match.

The $Veldts$ of $Africa$ and the $Pampas$ of $South$ $America$ are examples of which biome?

Adaptations of organisms can be related to which of the following?

Consider the following four statements $(a-d)$ regarding certain desert animals like the kangaroo rat:
$(a)$ They have a dark color and high rate of reproduction and excrete solid urine.
$(b)$ They do not drink water,breathe at a slow rate to conserve water,and their body is covered with thick hair.
$(c)$ They feed on dry seeds and do not require drinking water.
$(d)$ They excrete very concentrated urine and do not use water to regulate body temperature.
Which two of the above statements are true?