The diagram shows the flow of biomass through an agricultural food chain - OCR Gateway - GCSE Biology - Question 21 - 2018 - Paper 1
Question 21
The diagram shows the flow of biomass through an agricultural food chain.
Plants grown for cattle food
22,000 kg
Cattle
2,000 kg
Humans
200 kg
a) (i) Calculat... show full transcript
Worked Solution & Example Answer:The diagram shows the flow of biomass through an agricultural food chain - OCR Gateway - GCSE Biology - Question 21 - 2018 - Paper 1
Step 1
Calculate how much biomass is lost between the plants and humans.
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Answer
To find the biomass lost between the plants and humans, we need to subtract the biomass of humans from the biomass of plants.
Write down one other way that biomass is lost from the food chain.
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One other way that biomass is lost from the food chain is through excretion. When animals consume and metabolize food, they excrete waste products that contain biomass.