Permafrost condition is characteristic feature of
Hot desert biome
Cold desert biome
Savanna biome
Chaparral biome
Which of the following is not true for a species?
Character displacement take place when there is
Find out the population density when $N$ is $1000$ and $S$ is $100\, m ^{2}$
For better survival of the human population, which of the following steps is most important?
Gloger's rule related to the