IB Biology SL D4.1.3 Overproduction & competition
IB Biology SL D4.1.3 Overproduction & competition

IB Biology syllabusFirst assessment 2025
Practise linking excess offspring to competition, survival differences and increased frequency of better adapted traits.
How this is tested
- state that producing more offspring than the environment supports causes competition
- explain how competition lets better adapted individuals survive and reproduce more
- apply overproduction, variation and competition to MCQs and short evolution outlines
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