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darwins theory12713
Darwin's Theory-The Principles of Natural Selection
Question | Answer |
---|---|
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. |