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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 of the following best describes interspecific competition?
Which biotic factor would most directly affect the carrying capacity for a herbivore species?
In a plant community, a sudden increase in grazing animals will most directly cause which change?
If two bird species feed on the same seed, what biotic interaction is occurring?
Why might removing a predator from an ecosystem increase the impact of grazing on plants?
Which organism is a decomposer and therefore a biotic factor affecting nutrient cycling?
In a predator–prey cycle, when prey numbers increase, what biotic response typically follows?
Which statement about pollinators as biotic factors is correct?
What term describes interactions where two species both benefit?
Which management action can help restore biotic factors and biodiversity in a degraded habitat?
When measuring the effect of a biotic factor, why is it important to use replicates in an experiment?