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Unformatted text preview: 1.Heritable variation in the train in question 2.Differential reproductive success, based on variation in the trait in question 3.How does 1 and 2 affect the population? In biology, how do these terms differ from their use in everyday Engligh? Theory: English=casual idea Biology=proposed explanation for a general/important issue Fitness: English=health, well-being Biology=ability to reproduce (measured by counting offspring) Adaptation: English=Individual changes to respond to environment Biology=trait that increases fitness Darwins Dilemma: The problem of variation The fact of evolution(species change through time) was accepted in the 1870s-1880s Natural selection as the primary evolutionary process was controversial until the 1930s 1.Selection will exhaust variation-problem is, selection will eventually lead to everyone having the heritable trait, therefore no more variation 2.Blending inheritance...
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