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Lecture One

Lecture One - • Organization • Energy use • Growth...

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Lecture One 8/25/10 What is science? An approach to understanding nature. The outcome, a body of knowledge. What do scientists do? Make observations If you can’t observe something, you can’t make a scientific conclusion! (do animals have souls?) Attempt to discern patterns Assume that the future is like the past We would like to, but we don’t know for sure if it is true! Scientific method- Observation- Tells you about the limitations of science. It becomes easier to observe as technology continues to improve. Generalization or model Prediction or hypothesis Test (circle process) Terminology: Hypothesis- an explanation that has not been tested, or only a few times Theory- tested many, many times and has some validity
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Law- an explanation of something that is fundamentally correct What is biology? It is the study of life What is life?
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Unformatted text preview: • Organization • Energy use • Growth and development • Reproduction • Evolve (happens in a population) Scale of nature: (huge range) Biologists are interested in: Atomic 10^-8 meters Community/ecosystem 10^6 meters Approaches to biology-Reductionist: separated into parts, broken down but build up progressively Wholist- view the whole thing in tact (we are going to be reductionists! ) Atomic structure is important. Organisms are composed largely of 11 basic elements! Value for avg. human = $1,000.00. however, the way atoms are ordered and structured leads to the difference between a human and just a pile of chemicals. Solubility (demo) “like dissolves like” Alike in terms of polarity- polar solutes dissolve in polar solvents, non-polar solutes dissolve in non-polar solvents...
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Lecture One - • Organization • Energy use • Growth...

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