Science Topic 7 lesson 4

Which environmental change is NOT due to overpopulation of humans?

• climate change

• an increase in Earth's resources

• air and water pollution

• habitat loss for animals

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NGSS.MS-ESS3-4

A squirrel and a chipmonk live in a forest with a lot of trees. The trees have many nuts for the animals to eat. What will happen to these animals if a lot of the trees are cut down?

• They will be able to find more food because the nuts will be on the ground.

• They will start to eat more leafy green foods.

• They will be in competition for limited resources (nuts).

• They will have to start eating dead and decaying material.

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A farmer is growing bean plants. Seeds for the AQUATIC SODA APPLE plant get into the farmer's field. These plants grow very quickly in this type of environment. What impact will this MOST LIKELY have on the bean plants in the farmer's field?

• The aquatic soda apple plant will cause the bean plants to grow too fast.

• The aquatic soda apple plant will take up space in the field that the bean plants need to grow.

• The aquatic soda apple plant will have no effect at all on the growth of the bean plants.

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A netted chair fern is a plant that keeps soil from washing away. This is __________ to the environment.

• harmful

• helpful

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Which of the following is an example of an animal being HARMFUL to the environment?

• Wolves eat deer to keep the number of deer down.

• Worms build tunnels in the dirt for air and water.

• Carpenter Ants eat wood that is in people's homes.

• Horse manure fertilizes soil.

The ___________ provides resources to satisfy the needs of organisms.

• overpopulation

• competition

• environment

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Why might people find coyotes in the backyards or deer walking alongside a busy road?

• Animals are trying to get away from humans.

• Animals and humans compete for space because people move to places where animals live.

• Some animals change the environment to meet their needs.

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Human OVERPOPULATION contributes to which of these environmental problems? (Click ALL the problems that are made worse by human overpopulation.)

• climate change

• pollution

• habitat loss

• depletion of Earth's resources

• more natural resources for everyone to use

• m

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NGSS.MS-ESS3-4

A group of deer is food for a population of wolves. As the population of wolves INCREASES, the population of deer DECREASES. What will most likely happen to the deer in this forest if 15 wolves get sick and die in the next year?

• The deer population will INCREASE.

• The deer population will DECREASE.

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