Epiphyte is an example of

Animals eating plants are categorised separately as $A$,they are in a broad ecological context,not very different from $B$. Choose the correct option for $A$ and $B$.

Killing an organism for feeding is known as:

Predators also help in $A$ species diversity in a community,by $B$ the intensity of competition among competing prey species. Here $A$ and $B$ can be

Which of the following statements is incorrect?

Which one of the following is categorised as a parasite in the true sense?