Question

what do we mean by maintenance of the species?

Answer 1

Earth has variety of flora and fauna.

These belong to different species.

Maintenance of species is protecting the flora and fauna and preventing it from being extinct by preserving it.

This is important to maintain ecological diversity in the environment and to balance the environment.

This should be done by each and all for a better future.

Answer 2

it mean we should maintain the continuity of species by reproduction
in order to save there existence