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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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In a simple grass ? rabbit ? fox food chain, what is the rabbit classified as?
What is meant by the term ‘trophic level’?
If a producer biomass is 2000 g m-2 and transfer efficiency is 10%, what is the expected biomass of the primary consumer level?
Which of these best describes a food web?
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?
In an aquatic food chain phytoplankton ? zooplankton ? small fish ? seal, which is the tertiary consumer?
In a pyramid of numbers, why might a single tree support hundreds of herbivores yet appear as one unit at the base?
How does an energy pyramid differ from a pyramid of numbers?
Which of the following is a detritivore that helps transfer energy by breaking down dead material physically?
Which of the following organisms is normally a primary producer in a terrestrial food chain?
What is an apex predator?