NC EOG 8

Where do plants get the food they need for energy?

• They absorb it directly from the sun.

• They absorb it directly from the soil.

• They produce it during photosynthesis.

• They receive it from atmospheric gases.

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Which best represents the flow of energy within an aquatic ecosystem?

• algae → insects → fish → turtle → sunlight

• insects → algae → fish → turtle → sunlight

• sunlight → insects → algae → fish → turtle

• sunlight → algae → insects → fish → turtle

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NGSS.MS-LS2-3

In some environments, wolves prey on deer for their source of food. If all of the wolves were taken from the environment, what would most likely happen to the deer population?

• The deer population would increase and begin to compete for food.

• The deer population would become larger and healthier animals.

• The deer population would decrease, because there would be an increase in disease.

• The deer population would change color, because they would not have to hide from wolves.

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How are mutualism and parasitism different?

• Both organisms benefit in mutualism, while in parasitism only one organism benefits at the other’s expense.

• Both organisms benefit in parasitism, while in mutualism only one organism benefits at the other’s expense.

• Both organisms benefit in mutualism, while in parasitism one organism benefits, and the other is neither harmed nor benefits.

• Both organisms benefit in parasitism, while in mutualism one organism benefits, and the other is neither harmed nor benefits.

List the steps of the scientific method

d

e

f

c

b

a

Form a hypothesis

Draw conclusions

Analyze results

Ask a question

Communicate results

Conduct experiment

Which letter represents amplitude? (a)  

• A

• B

• C

• D

• E

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What would have the greatest long-term impact on reducing the amount of carbon dioxide in the air?

• planting trees around a farm

• cutting down trees around a farm

• increasing the number of livestock on a farm

• decreasing the number of livestock on a farm

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NGSS.MS-LS1-6

The table shows the food choices for two species of birds.

Which will most likely happen to Questors as a result of Wood Plaxers migrating to their habitat?

• The Questors will compete with the Wood Plaxers for food resources.

• The Questors will be forced to fly to a different habitat.

• The two species will become extinct.

• The two species will coexist with no competition.

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What happens to most of the energy as it moves throughout a food web?

• It is changed into light energy.

• It is changed into heat energy.

• It is changed into mass.

• It is changed into decomposers.

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Why are digestion and respiration important to the body?

• They control the production of hormones in the body.

• They build muscle and bone that the body needs.

• They store food for the body.

• They help provide the energy needed for body functions.

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