Unit 1 · 6–8% of the exam Beta

The Living World: Ecosystems

11 topics · not practiced yet

Practice this unitUnit sheet

Topics, in course order

  1. 1.1Introduction to EcosystemsNot practicedLessonNotes
  2. 1.2Terrestrial BiomesNot practicedLessonNotes
  3. 1.3Aquatic BiomesNot practicedLessonNotes
  4. 1.4The Carbon CycleNot practicedLessonNotes
  5. 1.5The Nitrogen CycleNot practicedLessonNotes
  6. 1.6The Phosphorus CycleNot practicedLessonNotes
  7. 1.7The Hydrologic (Water) CycleNot practicedLessonNotes
  8. 1.8Primary ProductivityNot practicedLessonNotes
  9. 1.9Trophic LevelsNot practicedLessonNotes
  10. 1.10Energy Flow and the 10% RuleNot practicedLessonNotes
  11. 1.11Food Chains and Food WebsNot practicedLessonNotes

Practice this unit

Question setExam-style questions from this unit's 11 topics, with an explanation for every option. Unit testA timed test on the whole unit, every topic weighted equally. Tools for this unit2 trainers.

In this unit's tools

Trainers 2

Free-response questions 2