Quiz on Species and Extinction

How many different species are estimated to be on Earth?

• Between 5 million and 30 million

• Between 30 million and 50 million

• Between 100,000 and 1 million

What are species at immediate risk of extinction called?

• Endangered species

• Threatened species

• Rare species

What can new species brought into an ecosystem do?

• Damage the balance and threaten native species

• Have no effect on the ecosystem

• Make the ecosystem stronger

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

What can contaminants in the environment do?

• Harm organisms and their habitats

• Help organisms grow

• Have no effect on organisms

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What can outbreaks impact, especially if they have no natural immunity?

• Populations

• Speciation

• Weather

Tags

NGSS.HS-LS2-6

NGSS.HS-LS4-2

NGSS.HS-LS4-5

What is one cause of extinction mentioned in the text?

• Destruction of habitats

• Increase in natural environments

• Protection of species

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-4

What can pollution in the environment lead to?

• Harm to species and habitats

• No effect on organisms

• Strengthening of organisms

Tags

NGSS.MS-LS1-5

NGSS.MS-LS2-4

What is the main topic of the Unit?

• Understanding species and population growth

• Understanding weather patterns

• Understanding plant growth

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS4-4

What is a gene pool?

• A collection of genes within a species

• A swimming pool for animals

• A type of habitat

Tags

NGSS.MS-LS4-4

What is interspecific competition?

• Competition between different species

• Competition within the same species

• A type of habitat