Science Quiz: Energy Transfer in Ecosystems

How do producers affect an entire ecosystem?

• Producers provide energy and nutrients to other organisms.

• Producers deplete resources and harm the ecosystem.

• Producers have no significant impact on the ecosystem.

• Producers only affect the ecosystem during certain seasons.

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A ​ (a)   models how energy and nutrients are transferred in an ecosystem.

• food web
• food chain

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Which are necessary for plants to produce energy? Select all that apply.

• sunlight

• carbon dioxide

• sugar

• water

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The source of all energy in a food chain is the _________________

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A model of how food chains are connected is called a _________________.

• food web

• energy flow

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A ________________ eats other organisms for energy.

• Consumer

• Producer

• Decomposer

• Autotroph

What do the arrows in the model represent?

• Flow of energy

• producers

• food web

• herbivores

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How do living things get energy and why do they need it?

• Living things get energy from food and need it for growth, repair, and maintaining bodily functions.

• Living things get energy from sunlight and need it for photosynthesis.

• Living things get energy from water and need it for hydration.

• Living things get energy from air and need it for respiration.

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An animal that eats both plants and meat is called a

• herbivore

• carnivore

• omnivore

• decomoposer

Which two organisms compete for the rabbit for energy?

• Mouse and Tree

• Owl and Goat

• Wildcat and Jackal

• Lion and Jackal

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