Unit2b Lesson 3: Energy Transfer in Ecosystems

All of the living and nonliving things in an area and the interactions among them is--

• an organism

• a food web

• a food chain

• an ecosystem

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What do plants need to produce their own food?

• sunlight, water, and oxygen

• sunlight, water, and carbon dioxide

• water, oxygen, and carbon dioxide

• water, soil, and oxygen

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What is the source of all energy?

• the sun

• water

• plants

• oxygen

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An organism that gets energy from eating another organism is --

• a producer

• a habitat

• a consumer

• photosynthesis

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What would happen if the grasshopper was removed from this food chain?

grass --> grasshopper --> snake --> hawk

• the snake population would increase

• the snake population would decrease

• the hawk population would increase

• nothing would happen

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An animal that gets energy from eating only plants is a(n) --

• omnivore

• producer

• carnivore

• herbivore

Where does the energy come from that is used by the organisms in any food web?

• water

• the atmosphere

• the sun

• producers

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An interconnected set of food chains is a(n)

• food chain

• food web

• ecosystem

• photosynthesis

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An organism that gets energy from eating plants and other animals is a(n) --

• carnivore

• producer

• omnivore

• herbivore

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Fungi, like mushrooms, are considered decomposers. What is a decomposer's role in a food web?

• to give off carbon dioxide

• to help plants with photosynthesis

• to break down waste and dead organisms

• to make their own food using sunlight

Tags

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