Answer:
A. Fish production is constant, and fish farming reduces pressure on wild stocks.
Explanation:
Irrespective of the negative effects fish farming has on the marine environment, one of the major advantages that fish farming has is that it helps in reducing the pressure on wild stocks.
With annual consumption of fish that is being reported to have increased in recent times tremendously, meeting this growing demand has put a lot of pressure on the already depleted wild stocks. Therefore, in order to meet this growing demand of fish, aquaculture or fish farming can help to fill the gap as the pressure on wild stocks is reduced.
Free-living flat worms = carnivores or scavengers
Have digestive cavity, mouth, pharynx
Parasitic Flatworms: = Feed on blood, tissue fluids, or pieces of cells from within a host
Answer:
paper bags jute bags , cotton bags might be used for the environment