yes reproduction is necessary to maintain any species . if their will be no reproduction life will vanished from the earth.
                    i hope that this will help u.
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Hello pahiroy.
I want your favour.
can you tell me how to mark an answer brainliest and how to send anything to others inbox.
Reproduction is really very necessary as reproduction is the production of offspring by sexual or asexual processes and thus without reproduction there will be no further production of the species and as a result the species will vanish from the earth. Eg.- if humans won't reproduce one day all humans will vanish.

I hope it helps you!! :)