Biology A-Level
competition for resources
What competition for resources means in Biology A-Level, as defined for AQA.
Definition of competition for resources
Check what you remember
Read the wording for your board, then hide it and explain competition for resources in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
When food, water, light, mineral ions, territory or mates are in short supply, the individuals best able to obtain them survive and breed.
Topics that use competition for resources
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allele frequency change
- allopatric speciation
- causes of change
- common ancestry
- continuous variation
- crossing over
- directional selection
- discontinuous variation
Using competition for resources in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
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