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Tutor HuntTest QuestionsBiology QuestionsYear 10 Biology Questions

 

Biotic Factors (GCSE Biology)

The following is a GCSE Biology test covering 'Biotic Factors' from the broader topic Ecology. The test is geared towards the AQA exam board style syllabus.
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Which practice by humans is most likely to directly reduce local biodiversity (biotic factor)?
Which biotic factor would most directly affect the carrying capacity for a herbivore species?
Why might removing a predator from an ecosystem increase the impact of grazing on plants?
An invasive animal species arrives and has no predators. Which biotic effect is most likely?
If two bird species feed on the same seed, what biotic interaction is occurring?
Which of these is an example of mutualism (biotic interaction)?
What term describes interactions where two species both benefit?
Which biotic factor would most likely drive natural selection in a prey species?
When measuring the effect of a biotic factor, why is it important to use replicates in an experiment?
Which of the following is a biotic factor that can limit the distribution of a plant species?
Which of these is an example of a biotic limiting factor for a rabbit population?