Optional! Ecology Review

What does every food chain start with? (Even if it's not drawn or written there!)

• producers
• sun
• consumer
• decomposers

An organism that needs to eat other organisms to obtain energy is known as a:

• Autotroph
• Producer
• Consumer
• Mutualist

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What does a food web represent?

• All connections of energy flow throughout all organisms in a habitat.
• The specific ways that mutualism is carried out.
• A single pathway or energy flow between organisms. 
• How carnivores get their food. 

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The rabbit in this food web would be considered a:

• Decomposer
• Producer
• Secondary Consumer
• Primary Consumer

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Where an organism lives

• habitat
• niche 
• heterotrogh
• biosphere

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The living part of an ecosystem

• Biotic
• Abiotic
• Mother Earth
• Flowers

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The non-living part of an ecosystem

• Ocean
• Lava Flow
• Birds
• Abiotic

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symbiotic relationship in which both organisms benefit

• competition
• Mutualism
• nitrogen fixation
• energy pyramid

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When every organism of a species has died.

• Evolution
• Natural Selection
• Extinction
• Artificial Selection

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Where the better adapted organisms survive to pass traits along to offspring.

• Evolution
• Natural Selection
• Extinction
• Artifical Selection

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