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What is life?

What is life?. How do you study human life?. What are the characteristics of life?. How do living things maintain themselves?. What is homeostasis? Some examples of homeostasis Body temperature Fluid levels Blood pressure. The body is highly organized. Biological classification.

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What is life?

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  1. What is life? How do you study human life?

  2. What are the characteristics of life?

  3. How do living things maintain themselves? • What is homeostasis? • Some examples of homeostasis • Body temperature • Fluid levels • Blood pressure

  4. The body is highly organized

  5. Biological classification Domains and kingdoms- the biggest groups Taxonomy- the science of classification

  6. The Scientific Method

  7. Once you have formed your hypothesis-then what? • How do you test a hypothesis? • Controlled experiment (variables) • Population study • A variation on a population study is a clinical trial • Toxicology studies in animals • I. Is it safe? • II. Is it effective in a small target population? • III. Is it effective in a large population? • IV. Does it have other uses? • Research (what have other people done?)

  8. You use the scientific method in your life all the time!

  9. Hypothesis and theory • Hypothesis is an educated guess • Theory-hypothesis that has withstood testing • Evolution • Cell theory • Germ theory • Chemiosmotic theory

  10. “Science (technology) is neither good nor bad; it’s how it is used” • ELSI (Ethical, Legal, and Social Implications) • Program funded by DOE and NIH as part of HGP (3-5% of total budget) • http://www.ornl.gov/sci/techresources/Human_Genome/elsi/elsi.shtml

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