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GCSE Biology · key term
A branching diagram showing scientists' interpretation of the evolutionary relationships between organisms.
Used by AQA
Specification 4.6.3.5, 4.6.4 · Paper 2
Revise: FossilsAn evolutionary tree is a branching diagram showing how scientists believe organisms are related. Trees can be constructed using current classification information for living organisms and fossil information for extinct organisms.
A branching diagram representing scientists' conclusions about the evolutionary relationships among organisms.
On an evolutionary tree, judge relatedness from the most recent common ancestor, not from how close together the branch tips appear on the page.
On an evolutionary tree, compare branch points rather than how close the names appear on the page. The pair with the most recent shared branch point is the most closely related.
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