ECOLOGY
ORGANISMS AND THE ENVIRONMENT
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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humans can improve an ecosystem byremoving predators.
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humanscan upset an ecosystem by removing species.
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reducingthe shark population increases the quantity of scallops that can be taken.
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sharksare not important for the stability of the ecosystem.
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Detailed explanation-1: -Protecting sharks is protecting our marine biodiversity, which is integral to our way of life. The Pacific must lead the way, since we are among those most prone to adverse environmental challenges. Our shark and ray regulations will act as a model for our Pacific neighbors and countries around the world.
Detailed explanation-2: -Sharks and rays are threatened by the demand for fins, overfishing, fisheries bycatch, habitat and prey loss, and human disturbance.
Detailed explanation-3: -Despite years of calls to better protect oceanic sharks and rays, a recent study in the journal Nature reveals that, since 1970, the global abundance of these predators has declined more than 70 percent, largely because of increased fishing pressure.
Detailed explanation-4: -Overall, 32% of the world’s pelagic sharks and rays (20 species) are threatened, which includes 6% that are Endangered and 26% that are Vulnerable. A further 24% are Near Threatened, 19% are assessed as Least Concern, and 25% are Data Deficient.