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Marine Ecosystems Flashcards | StudBud

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Marine Ecosystems

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Test your knowledge of marine ecosystems, the species that live there, and the threats to their survival. #NatGeo #Ocean #Marine Ecosystem

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Questions 5

Answers

1
What is the term for a species crucial to the survival of a marine ecosystem?
Central species
Foundation species
Cornerstone species
Keystone species
2
What is a common goal of a marine protected area (MPA)?
To allow only government vessels to pass through it.
To prohibit tourism in that area forever.
Increase fish populations that can be caught in surrounding waters.
To introduce new species into a marine ecosystem.
3
Why is biodiversity important to a marine ecosystem?
Greater diversity means an ecosystem will grow larger.
Diversity means a better chance of surviving outside threats.
Larger species can help protect smaller species from predators.
Fish have a greater variety of food so they will want to stay.
4
What organisms are at the foundation of most marine food webs?
Plankton
Barnacles
Shrimp
Seaweed
5
Which of the following is one of the biggest threats to marine ecosystems?
Hydroelectric power plants
Laws limiting whale hunting
Hurricanes
Rising ocean temperatures