Keystone Species Quiz

What is a keystone species?

• A species that is critical to the survival of other species in an ecosystem

• A species that is unimportant in an ecosystem

• A species that is only found in marine ecosystems

• A species that is not formally recognized by scientists

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NGSS.MS-LS2-2

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Which of the following is an example of a keystone species in North America?

• American Beaver

• Tiger Shark

• Bee

• Mangrove Tree

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NGSS.MS-LS2-2

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What role do predators play as keystone species?

• They help control prey populations and affect the food web

• They create, change, or destroy habitats

• They interact with other species for mutual benefit

• They compete for resources with other species

Tags

NGSS.MS-LS2-4

Which of the following is an example of an ecosystem engineer?

• Beaver

• Shark

• Bee

• Mangrove Tree

Tags

NGSS.MS-LS2-4

What is the role of mutualists as keystone species?

• They interact with other species for mutual benefit

• They help control prey populations and affect the food web

• They create, change, or destroy habitats

• They compete for resources with other species

Tags

NGSS.MS-LS2-2

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Which of the following is NOT a type of keystone species?

• Herbivores

• Predators

• Mutualists

• Competitors for resources

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NGSS.MS-LS2-2

What is the primary food source for bees?

• Nectar and pollen

• Fish

• Grass

• Dead trees

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Which of the following is a keystone species that helps reduce erosion in coastlines?

• Mangrove Tree

• Beaver

• Shark

• Bee

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NGSS.MS-LS2-4

What did ecologist Robert Paine's study on starfish and mussels demonstrate?

• The importance of keystone species in preserving biodiversity

• The role of mutualists in an ecosystem

• The impact of predators on prey populations

• The significance of ecosystem engineers

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NGSS.MS-LS2-4

What is biodiversity?

• The variety of living species on Earth

• The process of overgrazing in grasslands

• The interaction between predators and prey

• The creation of wetlands by ecosystem engineers

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