Ecology and Energy Flow

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

• Autotroph

• Producer

• Consumer

• Mutualist

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The rabbit in this food web would be considered a:

• Decomposer

• Producer

• Secondary Consumer

• Primary Consumer

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What is the original source of almost all energy in most ecosystems?

• carbohydrates

• sunlight

• water

• carbon

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The study of how living things interact with one another and with their environment.

• Biology

• Lithology

• Ecology

• Farmacology

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

• 10%

• 20%

• 80%

• 50%

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In this food web, what is the grasshopper?

• producer

• tertiary consumer

• secondary consumer

• primary consumer

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The living part of an ecosystem

• Biotic

• Abiotic

• Mother Earth

• Flowers

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All of the living and nonliving things in an area that interact with each other are called a/an ______.

• community

• habitat

• population

• ecosystem

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What is the term for each step in the transfer of energy and matter within a biological community?

• energy path

• food web

• trophic level

• food pyramid

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

• producers

• sun

• consumer

• decomposers