Biodiversity at Risk

A species at risk, but not yet endangered.

• endangered

• exotic

• endemic

• threatened

Tags

NGSS.HS-LS4-5

In what part of the world are the greatest number of extinctions occurring?

• in deserts

• in the Arctic

• in tropical rain forests

• in the Taiga

Tags

NGSS.HS-LS4-5

Which of the following is not a critical area of biodiversity?

• islands

• tropical rainforests

• savannas

• coastal regions

Tags

NGSS.MS-LS2-5

Which of these is an invasive species?

• beavers

• Atlantic cod

• fire ant

• ash tree

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

As many as 30 to 50 percent of all species are possibly heading toward extinction by mid-century.

• True

• False

Tags

NGSS.HS-LS4-5

What is the biggest threat to biodiversity?

• Urban Development

• Oil spills

• Chemical runoff

• Deforestation

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

NGSS.HS-LS4-5

Which of the following is a consequence of losing biodiversity?

• Increased uniformity in genetic traits.

• Enhanced ecosystem resilience against environmental changes.

• Decreased ecosystem productivity and stability.

• More rapid evolution of new species.

Tags

DOK Level 2: Skill/Concept

The factor that likely poses the greatest threat of extinction of species worldwide is

• black market trade in endangered species

• aggressive collecting of specimens by museums and zoos

• increasing loss of habitat

• weakening of environmental legislation

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

Which of these has been at risk of extinction?

• beavers

• Asian carp

• ash tree

• tumbleweed

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

When does overharvesting occur?

• if it is both resistant and resilient.

• when humans hunt, fish, or harvest a species faster than it can replenish its population
  

• When populations increase rapidly, spread, and displace native species.

• without ample habitat and protection in the wild cloning animals in zoos does little good.

Tags

NGSS.HS-ESS3-1

NGSS.HS-LS2-7

NGSS.HS-LS4-5