Lesson summary for:
Understanding the process of development can help us understand how some major evolutionary changes occurred and why others did not.
UC Museum of Paleontology
- Similarities among existing organisms (including morphological, developmental, and molecular similarities) reflect common ancestry and provide evidence for evolution.
- Features sometimes acquire new functions through natural selection.
- New heritable traits can result from mutations.
- Complex traits can arise through the cooption of another trait.
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