Extinction

Which of these describes a species that has become extinct?

• fewer members of the species are dying than being born

• more members of the species are dying than being born

• very few members of a species are alive

• all members of a species have died

Tags

NGSS.MS-LS4-1

According to most scientists, what is the ultimate cause of most mass extinctions?

• overhunting

• evolution of new species to replace old ones

• major change in environment due to extreme natural events

• asteroid impact

Tags

NGSS.MS-LS4-1

When a plant or animal becomes extinct, it is gone _______.

• forever

• until next week

• for 5 years

• to sleep

Tags

NGSS.MS-LS4-1

Humans are causing extiction in which ways?

• By over hunting animals for food or products.

• By destroying the natural habitat of species.

• By polluting the environments of the world.

• All of the above.

Tags

NGSS.HS-ESS3-4

NGSS.HS-LS2-7

NGSS.HS-LS4-5

A term that typically describes a species that no longer has any known living individuals

• Generation Time

• Fossil Record

• Extinct

• Speciation

Tags

NGSS.MS-LS4-1

What is extinction?

• The process of a species becoming more widespread

• The process of a species adapting to a new environment

• The process of a species no longer existing

• The process of a species evolving into a new species

Tags

DOK Level 1: Recall

What happens when a species goes extinct?

• The ecosystem becomes more stable

• It can lead to a chain reaction affecting other species in the ecosystem

• New species are immediately formed to take its place

• The climate of the planet changes drastically

Tags

DOK Level 3: Strategic Thinking

True or false. Most species that have lived on Earth are now extinct.

• True

• False

Tags

NGSS.MS-LS4-1

What does it mean for a species to be endangered?

• The species has a large population in the wild

• The species is no longer found in the wild

• The species is at risk of extinction in the near future

• The species has adapted to urban environments

Tags

DOK Level 1: Recall

When scientists discuss the Sixth Extinction, they are referring to which pattern in the rate of extinction?

• an increased rate caused by human activity

• an increased rate caused by volcanic activity

• a fluctuating rate caused by human activity

• a fluctuating rate caused by volcanic activity

Tags

NGSS.MS-ESS3-4