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In the context of Darwin's finches, what does beak size variation illustrate?
Adaptation to different food sources on different islands.
What are the steps of natural selection?
- Variation in traits within a population. 2. Some variations are beneficial. 3. Beneficial variations are passed on, becoming more common.
Differentiate between evolution and natural selection.
Evolution: The change in genetic makeup over time. | Natural Selection: The mechanism driving evolutionary change through differential survival and reproduction.