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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Trophic Levels (biology Only) (GCSE Biology)

The following is a GCSE Biology test covering 'Trophic Levels (biology Only)' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
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Why are there usually fewer organisms at higher trophic levels?
What does biomass most directly measure?
Which of the following best describes why longer food chains are less common?
If a producer biomass is 2000 g m-2 and transfer efficiency is 10%, what is the expected biomass of the primary consumer level?
If herbivore biomass is 500 g m-2 and secondary consumers have biomass 50 g m-2, what is the transfer efficiency between these levels?
Which diagram type shows the relative amount of biomass at each trophic level?
How does an energy pyramid differ from a pyramid of numbers?
Which of the following organisms would be a secondary consumer?
Which process causes the most energy loss between trophic levels?
What term describes an organism that eats only plants?
In a simple grass ? rabbit ? fox food chain, what is the rabbit classified as?