Middle School Ecology

Producers are always at the __________ of a food chain or food web.

• Beginning

• Middle

• End

• Producers are not part of the food chain

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Consumers...

• Make their own food

• Go through photosynthesis

• Eat other organisms

• Breathe in carbon dioxide

As you move up a food chain, the amount of energy stored....

• Increases

• Decreases

• Stays the same

• It depends on the ecosystem

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Arrows in a food web show the flow of

• energy

• protein

• nutrients

• glucose

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Which two animals compete for the same food source?

• rabbit and hawk

• fox and grasshopper

• snake and owl

• frog and snake

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Which animal would be most affected if the dragonfly were to die off due to a parasite?

• Thrush bird

• snake

• the flowering plant

• wolf

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_____________________________________ happens among animals who need food, shelter or mates.

• Adaptation

• Parasitism

• Competition

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This is an example of a short term environmental change.

• urbanization

• forest fire

• pollution

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What is the primary source of energy for most ecosystems?

• The Sun

• The Moon

• Volcanoes

• The Ocean

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Which of the following is a biotic factor in an ecosystem?

• Sunlight

• Temperature

• Plants

• Water

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