Biology A-Level
lineage splitting
What lineage splitting means in Biology A-Level, as defined for AQA.
Definition of lineage splitting
Check what you remember
Read the wording for your board, then hide it and explain lineage splitting in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Speciation is always this rather than a species appearing from nothing, because every species alive today descends from an earlier species.
Topics that use lineage splitting
- 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 lineage splitting in the exam
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