CP Biodiversity: The Balance Keeper Quiz

What is biodiversity?

• The variety of all living organisms in an ecosystem

• The number of trees in a forest

• The temperature of an ecosystem

• The amount of rainfall in a region

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

• 25%

• 75%

• 50%

• 99%

What does high biodiversity generally enhance?

• Climate change

• Ecosystem stability

• Human population

• Pollution levels

Which of the following is a natural resource?

• Steel

• Concrete

• Water

• Plastic

What role does biodiversity play in natural resources?

• It depletes them

• It destroys them

• It maintains and replenishes them

• It has no effect

What is an ecosystem?

• A community of interacting organisms

• A single species of plant

• A large body of water

• A type of weather pattern

What makes an ecosystem stable?

• Only one dominant species

• High biodiversity

• Lack of predators

• No changes ever

What is ecosystem stability?

• The height of trees

• The ability to remain balanced and unchanged

• The speed of animal movement

• The depth of oceans

What is a key benefit of biodiversity in ecosystems?

• Decreased food supply

• Enhanced stability

• Increased pollution

• Reduced rainfall

What might a decrease in biodiversity impact?

• The height of mountains

• The speed of rivers

• The color of the sky

• Ecosystem stability and resources