Ecosystems 2

What might happen if you remove a primary consumer from the ecosystem?

• There would be more food for secondary consumers.
• The number of primary consumers would increase.
• The number of plants would increase.
• The number of secondary consumers would increase.

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NGSS.MS-LS2-1

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Which of the following would be the most likely effect, if there were a sudden increase in the cricket population?

• There would be a decrease in the small bird population.
• There would be a decrease in the grass/flowers population.
• There would be a decrease in the mice population.
• There would be an increase in the grass/flowers population.

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NGSS.MS-LS2-1

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NGSS.MS-LS2-4

The owl receives energy from which organisms?

• grasshopper and mouse
• mouse and rabbit
• rabbit and butterfly
• butterfly and frog

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NGSS.MS-LS2-1

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Which one is NOT an example of a decomposer?

• mushroom
• leaves
• mold
• worm

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NGSS.MS-LS2-3

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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What does a food chain represent?

• How all living organisms within a habitat are connected.
• All of the things that a particular animal eats.
• How plants create their own food.
• A single path of energy transfer within a habitat.

A species living together in one area is called a:

• species
• community
• ecosystem
• population

Different organisms living together in the same area:

• community
• population
• species
• ecosystem

What are living things that make up an ecosystem?

• biotic factors
• abiotic factors
• organisms
• predators

What are non-living things that make up an ecosystem?

• su
• water
• abiotic factors
• biotic factors