Test: AP Environmental Science

1.

Which of the following is the most accurate example of secondary succession?

Twenty years after the Mount St. Helens eruption, small trees and grasses have begun to regrow near the top of the peak, where the eruption occurred.

A forest fire burns down crowded understory grasses and shrubs as well as some ponderosa pine stands in the Black Hills of South Dakota.

Lichens and small spruce trees have established themselves in regions of Alaska where glaciers once existed but have since receded.

Following the Dust Bowl of the 1930's, prairie grasses reestablished themselves in areas had lost most of their fertile soil to wind erosion. 

In 1962, a volcanic eruption off the coast of Iceland resulted in a formation of a new island "Surtsey" from ocean bedrock. 

1/12 questions

0%

Access results and powerful study features!

Take 15 seconds to create an account.
Start now! Create your free account and get access to features like:
  • Full length diagnostic tests
  • Invite your friends
  • Access hundreds of practice tests
  • Monitor your progress over time
  • Manage your tests and results
  • Monitor the progress of your class & students
By clicking Create Account you agree that you are at least 13 years old and you agree to the Varsity Tutors LLC Terms of Use and Privacy Policy.
Learning Tools by Varsity Tutors