Ecology Final

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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Consumer that eats plants

• heterotroph
• herbivore
• producer
• community

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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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Where an organism lives

• habitat
• niche 
• heterotrogh
• biosphere

The amount of energy that usually transfers from one trophic level to the next...

• 10%
• 20%
• 80%
• 50%

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An illustration that uses arrows to show the MANY possible directions in which matter and energy can pass through the organisms in an ecosystem.

• Food chain
• Food web
• Energy Pyramid
• Succession Map

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The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

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A collection of organisms that make up a community as well as all of the nonliving aspects of the environment.

• Population
• Community
• Habitat
• Ecosystem

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 plants that convert energy from the sun

• decomposer
• primary consumer
• secondary consumer
• producer

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