Articles Populations and Resources Amplify 1.2

What is the primary role of kelp in the marine ecosystem?

• Kelp has no role in the marine ecosystem

• Kelp is a primary consumer in the marine ecosystem

• Primary producer and providing food and habitat for marine organisms

• Kelp serves as a predator in the marine ecosystem

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How do green sea urchins contribute to the balance of marine populations?

• By causing overpopulation of algae and suffocating other marine life

• By controlling the growth of algae and maintaining the health of kelp forests

• By eating kelp and destroying the marine ecosystem

• By introducing harmful parasites to other marine species

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What is the main food source for orca whales?

• Mammals

• Plankton

• Seaweed

• Fish

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Explain the significance of leatherback turtles in the ocean ecosystem.

• Leatherback turtles disrupt the balance of the ocean ecosystem

• Leatherback turtles contribute to the overpopulation of jellyfish in the ocean ecosystem

• Leatherback turtles help control jellyfish populations and maintain the balance of the ocean ecosystem.

• Leatherback turtles have no significance in the ocean ecosystem

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What is the importance of algae in the food chain?

• Algae is harmful to other organisms in the food chain

• Algae serves as a primary producer, providing food and energy for other organisms.

• Algae has no importance in the food chain

• Algae is only important for aesthetic purposes

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Describe the role of zoo plankton in the marine food web.

• Zooplankton play the role of primary consumers in the marine food web.

• Zooplankton play the role of decomposers in the marine food web.

• Zooplankton play the role of top predators in the marine food web.

• Zooplankton have no role in the marine food web.

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What is the economic importance of walleye pollock?

• It is only used for scientific research

• It is a major commercial fish species used for processed seafood products.

• It is a rare species with no economic value

• It is a freshwater fish with no commercial importance

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How do moon jellies impact the marine environment?

• Moon jellies have no impact on the marine environment

• Moon jellies help other species thrive in the marine environment

• Moon jellies reduce the population of predators in the marine environment

• Moon jellies impact the marine environment by providing food for predators, and by competing with other species for food and space.

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Explain the relationship between kelp and sea urchins in the ocean ecosystem.

• Kelp provides food and habitat for sea urchins, while sea urchins help control the growth of kelp by consuming it.

• Kelp and sea urchins compete for the same resources in the ocean ecosystem

• Sea urchins provide food and habitat for kelp, while kelp helps control the growth of sea urchins

• Kelp and sea urchins have no relationship in the ocean ecosystem

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Discuss the impact of overfishing on the population of walleye pollock.

• Overfishing can lead to a decline in the population of walleye pollock.

• Overfishing has no impact on the population of walleye pollock

• The population of walleye pollock increases with overfishing

• Overfishing has a positive impact on the population of walleye pollock

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