Unit 1 Ecology Review

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

• 10%
• 20%
• 80%
• 50%

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The nonliving aspects of an ecosystem.

• Abiotic factors
• Biotic factors

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The living portions of the ecosystem.

• Biotic factors
• Abiotic factors

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As you move upward, from level to level, in an energy pyramid, energy _____.

• increases
• decreases
• stays the same
• increases exponentially

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 plants that convert energy from the sun

• decomposer
• primary consumer
• heterotroph

• autotroph

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Which adaptations could help a plant survive in a desert?

• Can tolerate high temperatures

• Requires lots of water to survive

• Lose leaves during winter when there is not much sunlight

• Ability to store water during droughts

• Releasing large amounts of water during transpiration

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Example of a decomposer

• fungus
• mouse
• plants
• frogs

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What is a producer?

• an organism that gets energy from eating other organisms
• an organisms that uses sunlight to make its own food
• an organism that gets energy from eating dead organisms, non-living material or waste
• an organism that uses chemical energy to make its own food

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