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  1. GCSE
  3. Biology OCR
  5. 4.1.9 Pyramids of biomass

4.1.9 Pyramids of biomass

Spec J247

Revise OCR GCSE Biology 4.1.9 Pyramids of biomass with the question bank, lessons, revision guides, and flashcards.

describe pyramids of biomass and explain, with examples, how biomass is lost between the different trophic levels • loss of biomass related to egestion, excretion, respiration

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