Ecosystem Services and Biodiversity

What is one significant impact human activity has had on the environment?

• Increased the population of endangered species.

• Led to the extinction of nearly a thousand plant and animal species.

• Created new ecosystems that support diverse life.

• Reduced the need for farmland globally.

What are "Ecosystem Services"?

• Benefits that human technology provides to nature.

• Services provided by animals to other animals in an ecosystem.

• Benefits that the natural world provides to humans for free.

• Paid services offered by environmental organizations.

Which of the following is an example of a "support service" provided by healthy ecosystems?

• Providing food for human consumption.

• Recycling essential compounds like carbon and water.

• Offering places for recreation and inspiration.

• Producing fuel for energy.

What type of ecosystem service involves providing raw materials for human needs?

• Regulating services

• Cultural services

• Support services

• Provisioning services

How do plants contribute to "regulating services" in an ecosystem?

• By providing fiber for clothing.

• By offering scenic views for tourism.

• By filtering water and air and absorbing carbon.

• By forming new soil layers.

What is the estimated annual monetary value of ecosystem services provided to humanity, according to economists?

• $66 trillion

• $46 trillion

• $10 trillion

• $1 trillion

Why is biodiversity important for ecosystems?

• It makes ecosystems less complex and easier to manage.

• It increases the monetary value of ecosystem services.

• It makes ecosystems more resilient to disturbances.

• It reduces the need for human intervention in natural processes.

How does the biodiversity of a single hectare of Amazonian rainforest compare to that of all of Europe?

• It has fewer species than all of Europe.

• It has roughly the same number of species as all of Europe.

• It has more different species of plants and animals than all of Europe.

• The video does not provide this comparison.