Ecology Review

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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The living part of an ecosystem

• Biotic
• Abiotic
• Mother Earth
• Flowers

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Two or more members of a particular species living and interacting in the same area

• Community
• Population
• Organisms
• Biosphere

Different populations living and interacting with each other in the same area

• Biome
• Ecosystem
• Community
• Niche

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NGSS.MS-LS2-2

A living relationship between two species in which one organism is harmed is called...

• mutualism
• commensalism
• parasitism
• niche

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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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Which of the following would be the definition of a detritivore?

• Animals that eat insects.
• Organisms that feed on rocks, recycling the nutrients back into the ground.
• Organisms that eat only pants
• Things that feed on dead organisms, recycling the nutrients back into the ground.

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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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Water temperature would be an example of ...

• A biotic factor
• An abiotic factor

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In the energy pyramid here, which organisms have the most energy available?

• Producers
• Carnivores
• Herbivores
• Top Predator

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