The taiga region is also known as

Alpine tundra is found in

The genus $Quercus$ is a dominant component in which of the following?

Consider the following four statements regarding certain desert animals like the kangaroo rat:
$(a)$ They have a dark color,a high rate of reproduction,and excrete solid urine.
$(b)$ They do not drink water,breathe slowly to conserve water,and their body is covered by thick hair.
$(c)$ They use dry seeds as food 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 for such animals?

Animals that do not maintain a constant body temperature are called.....

The plants $Prosopis$ (Khejri),$Acacia$ (Babul),and $Capparis$ (Kair) are representative of which tropical biome?