CP Biodiversity: The Balance Keeper Quiz

What is biodiversity?

• The number of trees in a forest

• The temperature of an ecosystem

• The variety of all living organisms in an ecosystem

• The amount of rainfall in a year

What percentage of species that have ever lived on Earth are now extinct?

• 75%

• 25%

• 50%

• 99%

What does high biodiversity generally enhance in an ecosystem?

• Pollution

• Destruction

• Stability

• Temperature

Which of the following makes an ecosystem stable?

• High biodiversity

• No changes ever

• Only one dominant species

• Lack of predators

What are natural resources?

• Materials or substances occurring in nature used for economic gain

• Man-made objects

• Artificial chemicals

• Digital data

How does biodiversity affect natural resources?

• It destroys them

• It has no effect

• It helps maintain and replenish them

• It depletes them

What is an ecosystem?

• A weather pattern

• A type of plant

• A single organism

• A community of interacting organisms

What is ecosystem stability?

• The ability to remain balanced and unchanged

• The ability to decrease rainfall

• The ability to change rapidly

• The ability to increase temperature

What role does biodiversity play in an ecosystem?

• It increases pollution

• It causes instability

• It provides resilience against changes

• It reduces the number of species

What might happen if biodiversity decreases?

• More species will appear

• Ecosystem stability will increase

• Ecosystem stability might decrease

• Natural resources will be unaffected