5.2 Threats to Biodiversity ม4

What is an introduced species?

• A native (naturally found) species which are added to an area.

• A non-native (not naturally found) species added to an area.

• A keystone species in an environment

• none of the above

Tags

NGSS.MS-LS2-4

_______ happens when pollutants rich in nitrogen and phosphorus contaminate waterways causing excessive algae growth.

• Eutrophication

• Introduced species

• Biological Augmentation

• Nonrenewable Resource

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

A species is defined as endangered when it

• suffers from damage to its habitat.
• suffers from disease or predation.
• when there are hazards to the continued life of the species.
• all of the above

Tags

NGSS.HS-LS4-5

The primary causes of extinction (and endangerment and threatened status) is...

• polar ice cap melting

• global warming

• habitat loss and degradation

• burning of fossil fuels

Tags

NGSS.HS-LS4-5

NGSS.HS-ESS3-5

How does habitat fragmentation reduce genetic diversity in species?

• Habitat fragmentation makes nonnative species introduction possible.

• Habitat fragmentation opens migration routes.

• Habitat fragmentation isolates a large population into smaller groups.

• Habitat fragementation encourages open gene flow.

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-2

What name is given to precipitation that contains nitric and/or sulfuric acids?

• acid rain

• deforestication

• global warming

• eutrophication

What is the practice of harvesting or hunting to such a degree that remaining individuals may not be able to replenish the population called?

• pollution

• deforestation

• overexploitation

• acid rain

Tags

NGSS.MS-LS2-4

NGSS.MS-ESS3-4

Which organism in the food web shown to the right would

contain the highest concentration of chemical pollutants?

• Producers

• Primary consumers

• Secondary consumers

• Tertiary consumers

Habitat fragmentation causes....

• less interior habitat and more edge habitat

• more interior habitat and less edge habitat

• less interior habitat and less edge habitat

• more interior habitat and more edge habitat

Tags

NGSS.HS-LS4-5

NGSS.HS-LS2-2

This is the extinction of a species one by one, not a sudden loss of many species

• background extinction

• mass extinction

• fragmentation

• biotic potential

Tags

NGSS.HS-LS4-5