Ecosystems

What does a carnivore primarily feed on?

• Animal tissues

• Sunlight

• Plants

• Both plants and animals

In a garden ecosystem, if a certain plant species provides support for a vine to climb without receiving any benefit or harm, how is the plant species impacted?

• It is harmed

• It becomes a predator

• It benefits

• It is neither helped nor harmed

In a forest ecosystem, what would you classify a deer as?

• An organism that breaks down dead matter

• An organism that consumes other organisms

• An organism that produces its own food

• A type of plant

In a forest, what role do fungi and bacteria play?

• They break down dead trees and fallen leaves

• They hunt other animals

• They only consume plants

• They produce their own food through photosynthesis

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Consider a forest with various animals, plants, and rivers. What does this scenario best illustrate?

• A linear sequence of food consumption

• A type of energy

• A single organism

• A community of interacting organisms and their environment

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How does a bear in the forest obtain energy?

• By being part of a food chain

• Only by basking in sunlight

• Through the capacity to do work or cause change, often by consuming food

• By the ability to move

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What is a food chain?

• A type of ecosystem

• A linear sequence of organisms eating each other

• A group of decomposers

• A restaurant chain

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How is a food web different from a food chain in a forest ecosystem?

• It is exactly the same

• It is a complex network of interconnected food chains involving various animals and plants

• It only includes plants

• It is simpler

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NGSS.MS-LS2-3

What does a cow, being an herbivore, primarily eat?

• Dead organic matter

• Both plants and animals

• Plants

• Only animal tissues

What is mutualism?

• A relationship where one organism benefits and the other is unaffected

• A relationship where one organism is harmed

• A relationship where both organisms benefit

• A type of food chain