AP Environmental Science & Ecology 3

Question 1

The stratospheric ozone layer is critical for life on Earth primarily because it:

Accepted Answer

Absorbs most of the Sun's ultraviolet radiation

Answer

The ozone layer absorbs the majority of the Sun's harmful UV-B and UV-C radiation, protecting organisms from DNA damage and other radiation injuries.

Question 2

Which of the following energy sources is best classified as renewable?

Accepted Answer

Wind energy

Answer

Wind energy is renewable because it is continuously replenished by natural atmospheric processes, unlike fossil fuels that take millions of years to form.

Question 3

The Intergovernmental Panel on Climate Change (IPCC) was established primarily to:

Accepted Answer

Assess and synthesize scientific research on climate change for policymakers

Answer

Founded in 1988, the IPCC reviews and synthesizes peer-reviewed scientific literature on climate change to provide authoritative assessments for policymakers.

Question 4

Among human activities, which factor is considered the leading global cause of species extinction today?

Accepted Answer

Habitat destruction and fragmentation

Answer

Habitat destruction — primarily through deforestation and land conversion for agriculture — eliminates the living space species need to survive, making it the leading driver of extinction.

Question 5

An ecological footprint is best defined as:

Accepted Answer

The amount of biologically productive land and water required to support a population's resource use and absorb its waste

Answer

Ecological footprint quantifies the total biologically productive area needed to supply resources consumed and absorb waste generated by a specific population or individual.

AP - Advanced Placement Test Practice Test

AP - Advanced Placement Test Practice Test

AP Environmental Science & Ecology 3