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Unformatted text preview: repeatable Figure 14-7- cannot always manipulate things, example: studying the fossil record. But you can make observations like the similarities in the forelimbs of birds and mammals. various kinds of science. some scientists make models (mathematical or electrical) of biological systems that have predictive value. Other scientists collect descriptive data that further substantiates a global theory. Fig. 1-10 (Already shown in first lecture outline). Review this later for the test. ***** Model: energy flow in biology...
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- Fall '08