Understanding Ecosystems and Their Services

Which of the following is an example of a provisioning service?

• The regulation of climate

• The production of freshwater

• Soil formation

• Recreation and ecotourism

Which of the following is an example of a provisioning service?

• The regulation of climate

• The production of freshwater

• Soil formation

• Recreation and ecotourism

How do forests regulate the global climate?

• By producing oxygen

• By filtering pollutants from air

• By absorbing carbon dioxide

• By increasing rainfall

How do forests regulate the global climate?

• By producing oxygen

• By filtering pollutants from air

• By absorbing carbon dioxide

• By increasing rainfall

Which of the following is an example of a cultural service?

• The filtration of water by wetlands

• The medicinal properties of plants

• The recreational use of a national park

• The production of timber for construction

Which of the following is an example of a cultural service?

• The filtration of water by wetlands

• The medicinal properties of plants

• The recreational use of a national park

• The production of timber for construction

Why are supporting services crucial to ecosystems?

• They provide materials for human consumption.

• They ensure that other ecosystem services can function.

• They regulate the climate.

• They directly provide recreational value.

Why are supporting services crucial to ecosystems?

• They provide materials for human consumption.

• They ensure that other ecosystem services can function.

• They regulate the climate.

• They directly provide recreational value.

Which human activity most directly threatens the provisioning service of freshwater?

• Air pollution

• Deforestation

• Overfishing

• Industrial pollution of rivers and lakes

Which of the following is a sustainable practice that helps preserve regulating services?

• Clear-cutting forests for agriculture

• Overfishing coastal waters

• Replanting trees after logging

• Polluting rivers with industrial waste