Ecosystems Review (4th)

How would extra nutrition in soil improve the environment?

• Animals living in the environment will grow faster.

• Plants in the environment will grow faster.

• Water in the environment will be cleaner.

• Only non–native plants will grow faster.

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NGSS.MS-LS1-5

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Which human activity is most likely to harm an organism’s environment?

• recycling plastic and glass bottles

• planting trees and watering plants

• dumping of garbage along a roadside

• taking the school bus and car-pooling

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NGSS.MS-ESS3-3

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How can people most likely improve a lake environment for wildlife?

• by planting trees around the lake to keep soil from eroding

• by banning fishing and swimming in the lake

• by introducing new animals that will eat fish

• by removing all plants from the lake

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NGSS.MS-LS2-4

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A cotton farmer in North Carolina decides to plant wildflowers around a field. How would this most likely have a positive impact on the environment?

• It would take water away from the cotton.

• It would attract more pollinators to the crop.

• It would reduce the growing space for the crop.

• It would attract more insects to feed on cotton leaves.

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NGSS.MS-LS2-1

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Many days of rain are predicted in a sloping area that has not had rain for months. What negative outcome could the area most likely experience?

• a new drought

• an earthquake

• weathering

• a landslide

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NGSS.MS-ESS3-2

What is one consequence of wetland destruction?

• a decrease in wildlife habitat

• a decrease in invasive species

• an introduction of new plant life

• an introduction of a new bird species

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What change in a bird’s environment would most likely cause a population increase?

• an increase in available food

• a decrease in the number of bushes

• a decrease in the number of trees

• an increase in predators

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NGSS.MS-LS1-5

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How would an animal survive better in extremely cold temperatures than other animals in its population?

• by using camouflage

• by having thicker fur or more fat

• by retaining extra water

• by having a larger number of offspring

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NGSS.MS-LS4-4

Which is an example of an organism responding to its changing environment?

• a bird flying south for the winter

• a wolf running after a rabbit

• an earthworm living underground

• a monkey using a tree for shelter

Which is an example of a harmful change to an ecosystem?

• planting beach grass at the beach

• removing trash from a park

• recycling plastic bottles

• cutting down trees to build houses

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