Pyramids of Biomass (AQA GCSE Biology): Quizzes
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Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What do pyramids of biomass represent in a food chain?
What do pyramids of biomass represent in a food chain?
Relative amount of biomass at each level
What is biomass?
What is biomass?
The total mass of living material
Why does a pyramid of biomass get smaller at higher trophic levels?
Why does a pyramid of biomass get smaller at higher trophic levels?
Less biomass as you move up levels
What percentage of sunlight do producers convert into biomass via photosynthesis?
What percentage of sunlight do producers convert into biomass via photosynthesis?
1%
Which of these are examples of producers?
Which of these are examples of producers?
Plants and algae
Why don't producers convert all sunlight into biomass?
Why don't producers convert all sunlight into biomass?
Not all sunlight reaches leaves
What percentage of biomass is transferred from one trophic level to the next?
What percentage of biomass is transferred from one trophic level to the next?
10%
What percentage of biomass is lost at each trophic level?
What percentage of biomass is lost at each trophic level?
90%
Why does biomass decrease at each trophic level?
Why does biomass decrease at each trophic level?
Energy is lost at each stage
Is all food consumed by an organism converted into biomass?
Is all food consumed by an organism converted into biomass?
No, not all of it