Biology A-Level
phylogenetic tree
What phylogenetic tree means in Biology A-Level, as defined for AQA.
Definition of phylogenetic tree
Check what you remember
Read the wording for your board, then hide it and explain phylogenetic tree in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
A record of branching that shows the split related to common ancestry, not a ladder of improvement.
Topics that use phylogenetic tree
- Evolution may lead to speciation (A-level only) (AQA A-Level)
Related terms
- allele frequency change
- allopatric speciation
- causes of change
- common ancestry
- competition for resources
- continuous variation
- crossing over
- directional selection
Using phylogenetic tree 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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