Modern fishing practices threaten biodiversity mainly through the

Aphysical destruction of marine habitats.
Bremoval of community food supplies.
Caccidental capture of unwanted species.
Dchemical poisoning of the water.

ANSWER: C. Accidental capture of unwanted species.

Verified Answer :

Modern
fishing practices threaten biodiversity mainly through the accidental capture
of unwanted species. This is because the business men or fishermen needs to
reach a quota in selling, therefore, there are fishes that are not mean to be
taken but are taken.