Grade 7: Ecosystems Unit Quiz

What is a producer?

• A plant or algae, that uses light energy or chemical energy to produce food

• An organism that eats both plants and animals

• An organism that eats dead organisms

• An organism whose primary food source is plants

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Which of the following is an example of a herbivore?

• rabbit

• bear

• wolverine

• shark

All of the nonliving parts of an ecosystem are __________.

• biotic
• biology
• abiotic
• biography

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The plants and animals that live together in a habitat form a __________.

• community

• habitat

• population

• ecosystem

All of the living AND non-living things in an area that interact with each other are called a/an __________.

• community
• habitat
• population
• ecosystem

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ALL energy flow for an ecosystem begins with ...

• plants
• the moon
• the sun
• algae

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What are biotic factors?

• dead things
• living things/ organisms
• weather
• plants

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Which is an example of an ABIOTIC factor?

• hummingbird
• water
• dead tree branch
• skunk

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Which is an example of a BIOTIC factor?

• lightning
• algae
• sand
• clouds

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Which are located at the very BOTTOM of an energy pyramid? 

• producers
• consumers - Level 1
• consumers - Level 2
• decomposers

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