Deductions - Dakotah Forell Chapter 21 9-8-10 DARWINS...

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Dakotah Forell Chapter 21 9-8-10 DARWIN’S DEDUCTIONS! Deduction #1 (prediction) If the hypothesis of natural selection is valid, then variation must exist among organisms . Data: organisms vary Evolution: Data supports hypothesis Deduction #2 If the hypothesis of natural selection is valid, then more offspring are born than survive to reproduce. Test: Compare # born and their survival Data: Many born – few survive Evolution: Data supports hypothesis Deduction #3 If the hypothesis of natural selection is valid, then differences must exist between those offspring that survive and breed versus those who do not. Test: Look at differences through observations Data: difficult to obtain- natural selection is slow Evolution: (Darwin) Natural selection is probable. Today not certain Deduction #4 If the hypothesis of natural selection is valid, then variations important to survive must be inherited Test: Not good test available for Darwin. Artificial selection.
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This note was uploaded on 07/26/2011 for the course BIO 200 taught by Professor Herreid during the Fall '07 term at SUNY Buffalo.

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Deductions - Dakotah Forell Chapter 21 9-8-10 DARWINS...

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