OBJECTIVE FORESTRY

FORESTRY

ECOLOGY AND ENVIRONMENT

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Scientists are concerned about overfishing of shark populations. Sharks feed on rays and rays feed on scallops. Without sharks, rays consume all the scallop beds. This situation demonstrates that:
A
humans can improve an ecosystem byremoving predators.
B
humanscan upset an ecosystem by removing species.
C
reducingthe shark population increases the quantity of scallops that can be taken.
D
sharksare not important for the stability of the ecosystem.
Explanation: 

Detailed explanation-1: -Overfishing and illegal fishing of sharks for their fins is depleting populations worldwide. There is often a general lack of even basic management monitoring, control, and surveillance of many fisheries.

Detailed explanation-2: -Humans hunt sharks for their meat, internal organs, skin, and fins in order to make products such as shark fin soup, lubricants, and leather. Sharks are a valuable part of marine ecosystems, but overfishing threatens some shark populations.

There is 1 question to complete.