Question

How can fish farming still deplete ecosystems?

A. Farmed fish often eat wild-caught fish.
B. Fish farming always occurs in the wild.
C. Farmed fish always live in self-contained units.
D.Farmed fish can be fed sustainably grown grains.

Answer 1

B.

Step-by-step explanation:

How does fish farming harm the local ecosystem?

Fish-farming is thought to contribute to eutrophication and the worldwide growth of this industry is of concern. Faeces and uneaten food pellets from fish farms alter the organic matter in the sediment, which can change the consumption of oxygen and cause local eutrophication.