Question

Given below is a table depicting population interactions between species A and species B.

Type of interaction	Type of interaction	Type of interaction
(a)	(-)	(+)
(b)	(+)	(-)

Name the types of interactions (a) and (b) in the above table. Justify giving three reason, how the type of interaction (b) is important in an ecological context.

Answer 1

(a) – Amensalism

(b) – Predation 

Justifications-

•  Nature’s way of transferring energy fixed by plants to higher trophic levels/conduits for energy transfer.

•  Keep prey population under control

•  Predators help in maintaining species diversity in a community, by reducing the intensity of competition among competing prey species.