Biology A-Level
Homologous structures
What Homologous structures means in Biology A-Level, as defined for OCR.
Definition of Homologous structures
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Reference: OCR
Structures that indicate shared ancestry because they share a common basic structure despite different functions.
Topics that use Homologous structures
- Classification and evolution (OCR A-Level)
Related terms
- Antibiotic resistance
- Binomial nomenclature
- Cell structure and wall composition
- Change in allele frequency over generations
- Continuous versus discontinuous variation
- Differential survival and reproduction
- Evidence for classification
- Evolutionary descent
Using Homologous structures in the exam
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