How do organisms $NOT$ adapt to their environment?

The taiga region is also known as

Organisms restricted to a narrow range of salinity are $- P$.
Organisms that tolerate a wide range of salinity are $- Q$.
Choose the correct option for $P$ and $Q$.
$P$ $Q$

Thick cuticle,sunken and scotoactive stomata,$CAM$ photosynthesis,and conversion of leaves into spines are some of the important characters of

Which of the following pairs of plants,their habitat,and forest type is correctly matched,where they are typically found to occur?

Kangaroo rat is found in .........