Impact Of Humans On The Environment

Question 1

Define non-renewable resources

Answer 1

Present in the earth in finite amounts; they can’t be replaced

Question 2

Define renewable resources

Answer 2

Can be replaced by natural processes

Question 3

Impact of human activities on natural resources

Answer 3

Some organisms are being overfished and over hunted

Vast areas of forest are being cut down to provide land for housing and agriculture. This leads to a loss of habitat for plants and animals, a reduction in photosynthesis, disruption of the water cycle

Question 4

Negative Impact of human activities on the environment

Answer 4

Cause the destruction and consequence loss of habitats and organisms living in them

Release waste and harmful substances into the environment, which damage it and have a negative effect on the human health; they cause pollution

Question 5

Pollution by agricultural practices

Answer 5

Pesticides; can harm useful and harmful organisms
Nitrateions; cause eutrophication

Question 6

Pollution caused by industry

Answer 6

CO2; causes ocean acidification when some is absorbed by oceans , leads to global warming

SO2; causes respiratory problems

Question 7

Pollution caused by improper garbage disposal

Answer 7

Greenhouse gases can be released into the atmosphere where they contribute to the greenhouse effect

Garbage attracts rodents, which can spread disease

Toxic chemical in garbage can contaminate the soil

Plastics can enter waterways and harm aquatic organisms

Question 8

Pollution Impact on the health of ecosystems and wetland ecosystems

Answer 8

Destruction of mangrove swamps
Overfishing
Destruction of coral reefs
Damage to wetland ecosystems

Question 9

Examples of greenhouse gases

Answer 9

Carbon dioxide
Water vapour
Dinitrogen monoxide

Question 10

What does global climate change cause?

Answer 10

A rise in sea levels
Certain diseases become widespread
Melting of polar ice caps and glaciers
Flooding of low-lying coastal areas
Ocean acidification

Question 11

Conservation and restoration of the environment

Answer 11

Reduce pollution
Conserve natural resources
Protect endangered species
Conserve soil
Preserve clean water
Improve land used in mining

Question 12

How to reduce pollution

Answer 12

Use alternative energy sources that don’t cause pollution

Treat all sewage
Use organic fertilizer

Question 13

What factors affect the growth and survival of populations

Answer 13

Food shortages
Overcrowding
Diseases start to spread more rapidly
Predators begin to increase in number