5th Grade Chapter 3 Ecosystems Review

A coral reef and the organisms that live in it form

• a habitat

• a community

• a population

• an ecosystem

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Where would you be most likely to find animals with thick fur coats?

• Coral reef

• tropical rain forest

• tundra

• desert

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A desert provides the resources needed to support a population of

• rattlesnakes

• bison

• woodpeckers

• oak trees

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The shortest food chains consist of

• a consumer and decomposer

• 2 producers

• 2 consumers

• a producer and decomposer

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Which describes both a food chains and a food web?

• Both contain only consumers

• Both begin with a producer

• Both contain multiple ways that energy flows

• both must include a carnivore

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The relationship between an owl and a mouse is an example of

• competition

• symbiosis

• predator and prey

• producer and consumer

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Which event would cause an ecosystem to change quickly?

• climate change

• earthquake

• Lake drying up

• Rock becoming soil

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Nonnative animal populations can grown rapidly in a new ecosystem because

• predators in the ecosystem are not used to hunting them

• They have no competition for resources

• They are producer

• Nonnative species are always at the top of food chains

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What would causes an environment to change slowly?

• Tornado

• Season Changing

• Hurrican

• Flood

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The non living things in an ecosystem like water.

• Abiotic factors

• Biotic factors

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