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Human Impacts

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Toxins accumulate in the tissues of organisms as they pass through a food chain/web.

a)

eutrophication

b)

bioaccumulation

c)

ecological succession

d)

symbiosis 

2.

Problem caused by increased levels of CFC's in the atmosphere

a)

global warming

b)

thermal pollution 

c)

greenhouse effect

d)

ozone depletion

3.

Which of the following issues is the cause of the other environmental impacts caused by humans?

a)

pollution

b)

human population growth

c)

climate change

d)

habitat destruction 

4.

Which of the following results when nitrogen and sulfur-containing compounds mix with water in the atmosphere?

a)

global warming

b)

ozone depletion 

c)

acid rain

d)

thermal pollution

5.

Which of the following results when levels of COin the atmosphere increase due to fossil fuel burning?

a)

ecological succession 

b)

acid rain 

c)

ozone depletion

d)

global warming

6.

Conservation is the act of conserving, or protecting the environment, plants, and animals. What are some things you can do to help conserve our environment? 

a)

leave water on, leave TV on, run dishwasher with 1 plate

b)

run the washing machine with 1 shirt

c)

leave the refrigerator door open

d)

turn off water, turn off lights, turn off TV

7.

Which INCORRECTLY matches cause with effect?

a)

Ozone depletion - increase in skin cancer

b)

Use of DDT - Bald eagle population increase

c)

Burning fossil fuels - mercury bioaccumulates in food chain

d)

Human Population growth - ecosystems impacted globally

8.

When CO2 from the atmosphere diffuses into our oceans, it causes pH to lower. This has a negative impact on marine organisms. What do we call this process?

a)

Biomagnification

b)

Eutrophication

c)

Acid Rain

d)

Ocean Acidification

9.

How does eutrophication cause the death of aquatic organisms

a)

the build up of carbon dioxide in the water

b)

the lack of nitrogen in the water

c)

the lack of carbon dioxide in the water

d)

the lack of oxygen in the water

10.
What are the effects of deforestation ?
a)
loss of habitat
b)
increased green house gasses 
c)
soil erosion and flooding
d)
all of the above