Science Interdependence on Environment and Organisms

A producer is a(n)____________.

• heterotroph
• autotroph
• omnitroph
• consumotroph

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NGSS.MS-LS2-3

If additional snakes are introduced into this ecosystem, there will most likely be an immediate decrease in the _________.  

• hawk population
• rabbit population
• wildflower population
• grass population

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What is the definition of Biotic factors?

• nonliving factors
• tools
• living or once living factors
• soil

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Temperature, light, air, water, and soil are all  _____  parts of the environment

• alive
• biotic 
• abiotic
• living

An organism that lives by breaking apart dead organic matter into simpler parts is...

• scavenger
• consumer
• decomposer
• carnivore

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NGSS.MS-LS2-2

Which two organisms in this food web are COMPETING for food with each other?

• Cougar and Deer
• Rabbit and Snake
• Insects and Grass
• Shrew and Mouse

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NGSS.MS-LS2-2

Which two organisms are in a PREDATOR-PREY relationship?

• Grass and Vole
• Gray wolf and Elk
• Vole and Elk
• Gray Wolf  and Fruits

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Which two organisms are in a PRODUCER-CONSUMER relationship?

• Gray Wolf and Fruits
• Vole and Grass
• Elk and Coyote
• Elk and Gray Wolf

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NGSS.MS-LS2-3

Bromeliads are small plants that grow attached to the sides of large trees high above the ground in warm, damp and densely crowded tropical rainforests. Bromeliads do this because they are in competition with other plants for -

• soil.
• heat.
• light.
• water.

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too much fertilizer will cause?

• algae to grow

• plants to survive

• soil to decay

• algae to die

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