EnvSci 2.24 Unit 2 Quiz 3

Which type of biodiversity has economic, agricultural, and medicinal benefits?

• Ecosystem diversity

• Atmospheric diversity
• Geological diversity
• Chemical diversity

Which type of biodiversity allows populations to adapt to new and changing environments?

• Ecosystem diversity
• Climate diversity
• Genetic diversity
• Species diversity

Which type of biodiversity provides stability for the environment in the face of any changes?

• ecosystem biodiversity
• species biodiversity
• climatic biodiversity
• genetic biodiversity

Which threats to biodiversity are direct drivers of extinction? Select all that apply.

• Invasive species

• Habitat destruction

• Overexploitation

• Pollution

• Human population growth

Which is the greatest threat to biodiversity?

• Human population growth

• Climate change

• Habitat destruction

• Pollution

• Invasive species

Give an example of an amphibian. Capitalize the word, use the singular form (not plural), and only type one word.

• toad

• frog

• turtle

• salamander

What percentage of amphibians are threatened with extinction? Do not include the percentage symbol in your answer, simply type one or two numbers (not words), and use a whole number. Example: 90

Name the three types of biodiversity.

• Genetic

• Ecological

• Ecosystem

• Species

A plant or animal group that reflects the health of an ecosystem is known as an __________ species.

Explain why biodiversity is economically beneficial to humans?

• more profitable logging

• fishing

• hunting

• crops