Biology GCSE
food chain length
What food chain length means in Biology GCSE, as defined for OCR.
Definition of food chain length
Check what you remember
Read the wording for your board, then hide it and explain food chain length in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Limited to four or five trophic levels because insufficient biomass and energy remain to support a viable breeding population of higher predators.
Topics that use food chain length
- Ecosystems (OCR GCSE)
Related terms
- abiotic and biotic components
- abiotic factors
- aerobic and anaerobic decomposition
- biotic factors
- carbon cycle
- carrying capacity
- Cellular respiration
- community distribution
Using food chain length in the exam
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