GCSE Biology 2020-2022 OCR Gateway: Example:
Rosebush -- Greenflies -- Ladybirds -- Bird
43kg --- 4.2 kg --- 0.4 kg --- 0.04 kg
-Calculate the Efficiency of Biomass Transfer at the 1st Trophic Level

Question

Example:
Rosebush --> Greenflies --> Ladybirds --> Bird
43kg ---> 4.2 kg ---> 0.4 kg ---> 0.04 kg
-Calculate the Efficiency of Biomass Transfer at the 1st Trophic Level

go kys · Accepted Answer

-So there was 4.2 kg that is Available for the Next Level, but there was 43 kg, so Substitution:
4.2/43 x 100 = 9.8 %

GCSE Biology 2020-2022 OCR Gateway

Example: Rosebush --> Greenflies --> Ladybirds --> Bird 43kg ---> 4.2 kg ---> 0.4 kg ---> 0.04 kg -Calculate the Efficiency of Biomass Transfer at the 1st Trophic Level

-So there was 4.2 kg that is Available for the Next Level, but there was 43 kg, so Substitution: 4.2/43 x 100 = 9.8 %

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