Loading…
Loading…
GCSE Combined Science · key term
A diagram showing evolutionary relationships between species and their common ancestors.
Used by AQA
Specification 4.6.3.2 · Paper 2
Revise: FossilsAn evolutionary tree shows relationships between species through their common ancestors. Branch points represent the splitting of ancestral lineages as new species form—speciation.
A branching diagram showing scientists’ understanding of evolutionary relationships between organisms.
Judge relatedness on an evolutionary tree by the most recent common ancestor, not by how close together the species names are.
When comparing species on an evolutionary tree, trace their branches back to their most recent shared branching point. Do not judge relatedness simply by how close their names are on the page.
Create a free account to read GCSE Combined Science revision notes for your exam board and track your progress.