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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 biotic factor would most directly affect the carrying capacity for a herbivore species?
When measuring the effect of a biotic factor, why is it important to use replicates in an experiment?
What biotic factor is directly measured by counting the number of different species in a habitat?
When ecologists measure population size of mobile animals, which biotic-aware method is commonly used?
Which sampling method is best for estimating the abundance of small plants across a meadow?
In a predator–prey cycle, when prey numbers increase, what biotic response typically follows?
What term describes interactions where two species both benefit?
What is a common ecological consequence when a disease outbreak (biotic factor) reduces a dominant plant species?
In ecological terms, what is a keystone species?
Which management action can help restore biotic factors and biodiversity in a degraded habitat?
Which organism is a decomposer and therefore a biotic factor affecting nutrient cycling?