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7.4.3 Transfer of biomass

What percentage of biomass is usually passed to the next trophic level?

A

Food chains rarely exceed four or five levels because about 90% of biomass is lost at each transfer.

B
50500×100=10% \frac{50}{500} \times 100 = \mathbf{10\%} 50050​×100=10%
C

About 10% of the biomass passes to the next trophic level.

D

Biomass is usually measured as dry mass.

7.4.3 Transfer of biomass Flashcards

  1. GCSE
  2. /Biology
  3. /7.4.3 Transfer of biomass

Flashcards for AQA GCSE Biology 7.4.3 Transfer of biomass, covering the key terms, definitions and processes you need to recall for Paper 1 and Paper 2. 19 cards, matched to the AQA GCSE Biology (8461) specification. Recall questions account for roughly 40% of marks at GCSE Biology, so these target the marks you can secure before the paper starts.