BIOL 3863 Lecture 3: 1-22-2019 Lecture
10 Feb 2019
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Micro-evolution: chapter 6: pages 136-148, key words/concepts: adaptation, evolution, fitness, genetic drift, gene flow, mutation, natural selection. 6 pages 182-192 & 200-201: key words/concepts: optimal foraging theory, patch model, marginal value theorem, foraging-predation tradeoff, quiz 2 (over ch. 6 and 8) is posted on blackboard in the content > online quizzes folder. Your responses are due by monday jan. 28 at 5pm. Outline: defining evolution and microevolution, four microevolutionary processes, microevolution in action, focusing on natural selection. All organisms have an evolutionary history and that history often dictates: their distributions and abundance, the interactions they engage in, how energy and matter move through systems. Evolution: change in heritable characteristics of populations between successive generations. Not within generations: populations are groups of individuals of the same species, evolution occurs at the population (not individual level) Evolution does not only occur slowly in nature.
