All flashcards topics

2.5 Zonation, succession and change in ecosystemsIB Environmental Systems and Societies SL: Flashcards

What these 12 flashcards ask

  • Define zonation.
  • What is a transect used for?
  • Define succession.
  • What is a sere?
  • What is a climax community?
  • Define primary succession and give two examples of starting conditions.
  • Define secondary succession and give an example.
  • Which is faster, primary or secondary succession? Why?
  • Name five variables that change during succession.
  • What are pioneer species?
  • What two things determine an ecosystem's ability to tolerate disturbance?
  • Why does higher diversity increase resilience?

Written by the Exaim team, led by Shaun Daswani (Head of Upper Secondary, Improve ME Institute; MSc Financial Mathematics, Imperial College London; BSc, UCL) and Jason Daswani (operational lead, Improve ME Institute; LSE).