Unit 6: Ecosystems Check in Quiz

What is the difference between a community an an ecosystem?

• A community includes both living and non living things

• A community includes ONLY living organisms

• A community is larger than an ecosystem

• There are no differences. They are the same thing.

True or false: biotic factors are the NONLIVING things in an ecosystem.

• True

• False

In this food web, which of the following is NOT a primary consumer?

• Rabbit

• Mouse

• Snake

• Grasshopper

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How much energy is passed onto each level of the food chain?

• 100%

• 1%

• 10%

• 5%

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Which organism in the food chain receives the LEAST amount of energy after eating an organism?

• Grasshopper

• Mouse

• Snake

• Hawk

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Which of the following would be considered an AUTOTROPH?

• Cow

• Grass

• Horse

• Humans

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Why are decomposers important in an ecosystem?

• The make their own food and start the energy transfer in an ecosystem

• They recycle nutrients back into the ecosystem

• They eat other organisms to transfer energy

• The are at the top of the food chain with apex predators

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ALL of the energy in an ecosystem comes from the...

• Producers

• Consumers

• Humans

• Sun

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The arrows in a food chain/web represent..

• The flow of energy in an ecosystem

• Where organisms are moving

• What organisms want to eat

• None of the above

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Great white sharks, lions, and humans can all be considered ____________ because they don't have any natural predators.

• decomposers

• autotrophs

• apex predators

• producers

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