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Lecture 21 - Announcements Exam 3 Thursday April 14 Lecture...

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Announcements Exam 3, Thursday, April 14. Lecture 14, Wrap-Up of Thermoregulation and Animal Nuturtion – Lecture 20, The Immune System
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Lecture 21: How Do Organisms Obtain and Allocate Resources? BIOL 1104 Dr. Paula Lemons
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Learning Objectives Describe how the theory of evolution by natural selection dictates the “rules” of “the game of life.” Use observations of ecosystems from class to explain how resource availability and competition for limited resources impacts the diversity and abundance of organisms. Describe resource partitioning, i.e., how competition can lead to diversification, using the Anolis lizard as an example. Know the major life history parameters. Use examples from class (size vs. speed, annual adult survival vs. age of reproductive maturity, etc.) to explain what a life history
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Theory of Evolution by Natural Selection Variation exists Some of this variation is heritable More offspring produced than can possibly survive – setting up struggle for existence
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