Trophic Levels: Extended (CIE IGCSE Biology: Co-ordinated Sciences (Double Award))

Revision Note

Test yourself
Lára

Author

Lára

Last updated

Trophic Levels: Extended

Extended Tier Only

  • A trophic level is the position of an organism in a food chain or food web
  • Examples of trophic levels include:
    • Producers are the first trophic level in all food chains
    • Primary consumers are at the second trophic level
    • Secondary consumers are at the third trophic level
    • Tertiary consumers are at the fourth trophic level
    • Quaternary consumers are at the fifth trophic level

Food chain showing trophic levelsTrophic levels describe the position of organisms in a food chain

You've read 0 of your 10 free revision notes

Unlock more, it's free!

Join the 100,000+ Students that ❤️ Save My Exams

the (exam) results speak for themselves:

Did this page help you?

Lára

Author: Lára

Expertise: Biology Lead

Lára graduated from Oxford University in Biological Sciences and has now been a science tutor working in the UK for several years. Lára has a particular interest in the area of infectious disease and epidemiology, and enjoys creating original educational materials that develop confidence and facilitate learning.