In a given habitat,plants show the least competition with which of the following?

Given below are two statements.
Statement $I$: Intraspecific competition occurs between organisms of the same population.
Statement $II$: Such interaction may be beneficial,harmful or neutral to the interacting individuals.
In the light of the above two statements,choose the correct option.

Which of the following statements is incorrect?

Species $A$ $(-)$ and Species $B$ $(O)$ show which of the following interactions?

For a limited resource, two closely related species compete for the same resource, which is known as $.........$, which keeps them in check in the environment.

In interference competition,........