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darwins theory12713

Darwin's Theory-The Principles of Natural Selection

QuestionAnswer
1. Organisms produce more offspring than can survive.
2. Differences, or variations, occur among individuals of a species.
3. Some variations are passed to offspring.
4. Some variations are helpful. Individuals with helpful variations survive and reproduce better than those without these variations.
5. Over time, the offspring of those individuals with helpful variations make up more of a population and eventually may become a separate species.
Created by: ellie213
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