Unit 8 Lesson 2: Human Impacts on Biodiversity

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

• pollution
• human population growth
• climate change
• habitat destruction 

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

• global warming
• ozone depletion 
• acid rain
• thermal pollution

Biodiversity refers to.........

• differences in plants

• differences in animals

• the variety of all life on earth

• animals located near the artic

Do humans have an impact on biodiversity?

• yes

• no

An invasive species refers to

• an organism that is not native

• an organism that disrupts the ecosystem

• both of these are correct

The loss of a natural habitat is called _______.

• moving

• wild fire

• pollution

• habitat destruction

The breaking of habitats into smaller pieces is called _______.

• habitat breaking

• habitat pollution

• habitat destruction

• habitat fragmentation

Which of the following pose a threat to biodiversity? Choose all that apply.

• invasive species

• habitat destruction

• population growth

• pollution

Which threat to biodiversity causes all of the others?

• population growth

• pollution

• habitat destruction

• invasive species

What is an effect of deforestation?

• decrease in biodiversity

• decrease in rainwater runoff

• decrease in carbon dioxide in the atmosphere

• decrease in the amount of water on earth