Threats to biodiversity

Front

Where does most air pollution come from?

Back

Human activities

Front

The number one reason for deforestation?

Back

Agriculture

Front

Does deforestation lead to a decrease in atmospheric carbon dioxide?

Back

False

Front

Breaking up large areas of habitat into smaller pieces is called...

Back

Fragmentation

Front

A species that is not supposed to be in an ecosystem (non-native) and has no competition

Back

invasive species

Front

A good example of the fragmentation of habitat would be:

• Cutting down a forest to build a housing development.
• Draining a swamp to develop the land.
• Building a road through the woods.
• Polluting the James River.

Back

Building a road through the woods.

Front

Reducing the quality of habitat through pollution or invasive species is called ___________. Options: degradation, destruction, fragmentation, mitigation

Back

degradation

Front

Fishing tuna at a rate of more than they can replace themselves is known as?

Back

overharvesting

Front

Which of the following is NOT a way in which humans are destroying habitats?

• Clearing out prairies to grow a single crop
• Gathering rain water to use to water crops
• Building a shopping mall with a large parking lot
• Cutting trees for toilet paper

Back

Gathering rain water to use to water crops

Front

Which of the following is NOT a cause for the current decline in the biodiversity of our ecosystem?

overexploitation of resources

,

increasing human populations

,

pollution of water sources

,

regenerating forests

Back

regenerating forests