Biology / Bio 1657 · Atom · ~20 seconds
Convergent and Divergent Evolution
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Convergent evolution produces similar traits in unrelated lineages under similar pressures, while divergent evolution produces increasingly different traits in lineages sharing a common ancestor.
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Bat and insect wings evolved convergently from different origins, while flowering-plant reproductive structures diverged from one shared ancestral form.
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Convergent similarity signals shared pressure, not shared ancestry — divergence signals shared ancestry despite growing difference.