Pyramids of Biomass (OCR GCSE Biology A (Gateway Science Suite)): Quizzes
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Practise the questions
10 questions from this quiz
What do pyramids of biomass represent?
What do pyramids of biomass represent?
Relative biomass at each trophic level
Why does the pyramid of biomass have a pyramid shape?
Why does the pyramid of biomass have a pyramid shape?
Less biomass as you move up levels
What percentage of sunlight do producers convert into biomass?
What percentage of sunlight do producers convert into biomass?
About 1%
Why do producers convert only about 1% of sunlight into biomass?
Why do producers convert only about 1% of sunlight into biomass?
Not all sunlight reaches leaves
What percentage of biomass is transferred to the next trophic level on average?
What percentage of biomass is transferred to the next trophic level on average?
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
Which of these are examples of producers?
Which of these are examples of producers?
Plants and algae
Is all food consumed by an organism converted into biomass?
Is all food consumed by an organism converted into biomass?
No, not all is converted
What represents the total mass of living material?
What represents the total mass of living material?
Biomass