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_____________ is made from the remains of living things and weathered rocks.

• humus
• landform
• canyon
• soil

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What is this called?

• Food Web
• Food Chain
• Abiotic Factors

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Bacteria and fungi typically serve what role in an ecosystem?

• herbivore
• carnivore
• omnivore
• decomposer

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NGSS.5-LS2-1

the mice's energy is transferred directly to the

• fox
• bird
• owl
• rabbit

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All of the living and non-living things in an area are a(n):

• ecosystem

• population

• community

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Interacting food chains found in an ecosystem

• food web

• food chain

• predator

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A _________ is all of the living things and nonliving things that exist and interact in one place.

• mimicry

• region

• ecosystem

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What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

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NGSS.5-LS2-1

A representation of the flow of energy from the sun through producers to consumers and decomposers in an ecosystem

• Food Chain

• Food Web

• Ecosystem

• Habitat

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Some beetles break down the remains of dead animals. Some mushrooms break down the remains of dead trees. How do these actions most BENEFIT plants?

• By returning nutrients to the soil.

• By releasing oxygen into the air.

• By making space for new animals.

• By decreasing the population of herbivores.

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NGSS.5-LS2-1