Sal and teak are dominant in

$A$ regulators are able to maintain homeostasis by means which ensure constant body temperature,constant osmotic concentration,etc. All $B$ and $C$ and a very few lower vertebrate and invertebrate species are indeed capable of such regulation (thermoregulation and osmoregulation).
Evolutionary biologists believe that the 'success' of mammals is largely due to their ability to maintain a constant body $D$ and thrive whether they live in Antarctica or in the Sahara desert.
Choose the correct option for $A, B, C$ and $D$.

Which one of the following pairs is mismatched?

Plants growing on sand and gravel are called

Smaller animals tend to lose body heat very fast as compared to larger animals because they have

At what height in the Himalayan region of our country are Taiga forests located?