Life Science Benchmark Review

In this food chain, what will happen if the frogs become extinct?

• The snakes will increase.

• The grasshoppers will decrease.

• The eagles will remain the same.

• The grasshoppers will increase.

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Why might an organism have more than one arrow coming from them in a food web?

• More than one organism may eat them. 

• They may eat more than one other organism. 

• This organism gets its energy from multiple sources. 

• They have no resources available to them.

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If the yellow perch population were to increase what would happen to the algae?

• The algae population would increase

• The algae population would decrease

• The algae would be unaffected

• It would cause a forest fire

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A process plants use to turn sunlight into food: Conversion of light energy from the sun into chemical energy (stored in glucose).

• toxoplasmosis

• photosynthesis

• aqua-synthesis

• homeosynthesis

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NGSS.MS-LS1-6

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Which of the following is an example of a mutualistic relationship in an ecosystem?

• A lion hunting a zebra

• A bee pollinating a flower

• A parasite infecting a host

• A bird eating insects off a buffalo

What are the two ways sensory receptors respond to stimuli?

• An immediate AND delayed action.

• Skip immediate reaction and respond with a secondary action

• Input is received without a response

• Responds with an immediate reaction and a memory is stored

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NGSS.MS-LS1-8

What do sense receptors do?

• Send information to your brain so your body can take in information and respond appropriately.

• Send information to your muscles so you can look strong

• Send information to your stomach so you will know when you eat good food.

• None of the above

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NGSS.MS-LS1-8

How does memory help guide the actions of an animal?

• Animals can remember things that have happened long ago.

• Memories are stored in the brains of most animals.

• Animals can avoid actions that have been harmful to them in the past.

• Memories will not be passed on from parents to offspring.

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NGSS.MS-LS1-8

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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How do producers obtain energy?

• They conduct photosynthesis.

• They consume plants.

• They consume primary consumers.

• They consume secondary consumers.

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