Ecology Quiz

which of the following situations show a biotic factor operating within an ecosystem?

• the kind of climate in a given region

• carnivores that eat other animals

• the concentration of hydrogen gas in the air

• the rate of water flow in a body of water

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NGSS.MS-LS2-2

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a certain plant needs moisture, carbon dioxide, oxygen light, and minerals to survive. This scenario shows that a living organism depends on which of the following?

• abiotic factors

• biotic factors

• carnivore

• symbiotic relationship

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NGSS.MS-LS2-1

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Which of the following is an example of an abiotic component in an ecosystem?

• Plants

• Animals

• Water

• Bacteria

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NGSS.MS-ESS2-4

How do producers in an ecosystem obtain energy?

• By consuming other organisms

• Through the process of photosynthesis

• By breaking down dead matter

• Through symbiotic relationships

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NGSS.MS-LS2-3

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What role do decomposers play in an ecosystem?

• They produce oxygen through photosynthesis

• They consume living plants and animals

• They break down dead organisms and recycle nutrients

• They form symbiotic relationships with plants

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NGSS.MS-LS2-3

what is a producer

• An organism that feeds on other organisms for energy.
• An organism that can produce its own food through photosynthesis or chemosynthesis.
• A type of consumer in an ecosystem.
• A non-living factor that influences an ecosystem.

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NGSS.MS-LS2-3

what is an example of commensalism

• Barnacles attaching to whales
• Lions hunting zebras
• Bees pollinating flowers
• Sharks feeding on fish

what is an example of mutualism

• Lions and zebras
• Bees and flowers
• Trees and sunlight
• Dogs and cats

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NGSS.MS-LS2-2

what is an example of parasitism

• A lion hunting a zebra
• A bee pollinating a flower
• A squirrel gathering nuts for winter
• A tick feeding on a dog's blood

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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