How has climate change impacted the environment?

It has decreased the size and number of glaciers.

How do invasive species impact native species in an ecosystem?

Invasive species compete with native species for the same resources.

How can harmful pesticides change a habitat?

They can harm animals in the habitat’s food web.

How does pollution travel from a river to the ocean?

Pollution flows downstream toward the ocean.

Why is deforestation so devastating to a habitat?

It threatens the survival of plant and animal species.

What is meant by the term “human footprint?"

It is a measurement of how humans affect the environment.

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Human Impacts on the Environment

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Test students’ knowledge of how humans impact the environment through their human footprint, the introduction of invasive species, and the destruction of habitats.

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Questions 10

Answers

1
How has climate change impacted the environment?
It has decreased the size and number of glaciers.
It has increased the size of the Arctic.
It has lowered the average sea level by 1.2 meters (4 feet).
It has increased the amount of trash in the ocean.
2
Which of the following is one of the biggest threats to endangered species?
air pollution
habitat loss
oil drilling
natural predators
3
What are some ways people can help decrease the amount of plastic in the ocean?
All of the above.
They can use reusable water bottles and utensils.
They can recycle plastic containers.
They can use fewer single-use plastics.
4
How do invasive species impact native species in an ecosystem?
Invasive species compete with native species for the same resources.
Invasive species create more biodiversity.
Invasive species introduce more resources for native species.
Invasive species allow more native species to thrive.
5
Which of the following is an example of non-point source pollution (pollution that comes from more than one source)?
Land fills
Industrial pollution
Urban runoff
Oil refineries
6
How can harmful pesticides change a habitat?
They can introduce new pests to the habitat.
They can kill a farmer’s crops.
They can harm animals in the habitat’s food web.
They can destroy the surrounding habitat.
7
How does pollution travel from a river to the ocean?
Pollution flows downstream toward the ocean.
Pollution flows toward the source of a river.
Pollution flows upstream toward the ocean.
Pollution flows toward the bank of a river and then to the ocean.
8
How can people conserve energy in their own homes?
They can use LED light bulbs.
They can install coal-powered heaters.
They can wash their clothes in hot water.
They can increase their use of natural gas.
9
Why is deforestation so devastating to a habitat?
It increases levels of oxygen created by plants.
It threatens the survival of plant and animal species.
It creates new space for plants and animals.
It provides more vegetation for herbivores.
10
What is meant by the term “human footprint?"
It is a measurement of how the environment impacts humans.
It is a measurement of Earth’s natural resources.
It is a measurement of how humans affect the environment.
It is a measurement of Earth’s human population.

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