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Evolution
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Lecture 8
2/20/98
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| | Last lecture, we discussed the diversity of life, making a quick tour of a number of the important groups |
| | Today we will look at the processes involved in generating that diversity. |
| | Evolution is a process where organisms will change through time |
| | Natural selection is a hypothesis used to explain how evolution can occur. |
| | Evolution by natural selection is not directed |
| | What is the driving force behind evolutionary change |
| | Problems with natural selection |
| Mutation and genetic variability |
| | The molecule that genes are composed of |
| | Genes copied during cell division |
| | Genes divided up for sexual reproduction |
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