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Marine Ecosystems

Test your knowledge of marine ecosystems, including marine protected areas, food web foundations, environmental threats, keystone species, and biodiversity importance.

5 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is a common goal of a marine protected area (MPA)?

  1. To prohibit tourism in that area forever.
  2. To allow only government vessels to pass through it.
  3. Increase fish populations that can be caught in surrounding waters.
  4. To introduce new species into a marine ecosystem.
Question 2 Multiple Choice (Single Answer)

What organisms are at the foundation of most marine food webs?

  1. Seaweed
  2. Barnacles
  3. Shrimp
  4. Plankton
Question 3 Multiple Choice (Single Answer)

Which of the following is one of the biggest threats to marine ecosystems?

  1. Rising ocean temperatures
  2. Laws limiting whale hunting
  3. Hurricanes
  4. Hydroelectric power plants
Question 4 Multiple Choice (Single Answer)

What is the term for a species crucial to the survival of a marine ecosystem?

  1. Cornerstone species
  2. Keystone species
  3. Foundation species
  4. Central species
Question 5 Multiple Choice (Single Answer)

Why is biodiversity important to a marine ecosystem?

  1. Larger species can help protect smaller species from predators.
  2. Fish have a greater variety of food so they will want to stay.
  3. Diversity means a better chance of surviving outside threats.
  4. Greater diversity means an ecosystem will grow larger.
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