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Ecology, Evolution and Diversity. General Biology I. The two hour version. Part 1. Steven Mark Norris. steven.norris@csuci.edu. http://faculty.csuci.edu/steven.norris/. Biology. bio + logia. =. “study of life”. Biology. “skin-in”. “skin-out”. Biology. “skin-out”.
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Ecology, Evolution and Diversity General Biology I The two hour version Part 1
Steven Mark Norris steven.norris@csuci.edu http://faculty.csuci.edu/steven.norris/
Biology bio + logia = “study of life”
Biology “skin-in” “skin-out”
Biology “skin-out”
Biological Themes Evolution “Nothing in biology makes sense except in the light of evolution.” Theodosius Dobzhansky
Biological Themes Ecology
Biological Themes Bio-diversity
Western Science Plato and Aristotle Raphael, ca. 1510 The Vatican
Sir Francis Bacon (1561-1626) Trusting our senses
Natural Philosophy Sir Isaac Newton (1643-1727) Robert Boyle (1627-1691) Robert Hooke (1635-1703)
Natural Philosophy “Let it not suffice to be book-learned, to read what others have written and to take upon trust more falsehood than truth, but let us ourselves examine things as we have opportunity, and converse with Nature as well as with books.” John Ray -- 1691 (1627-1705)
Natural Theology William Paley - 1802 Natural TheologyEvidences of the Existence and Attributes of the Deity, collected from the Appearances of Nature
Natural Science C. Darwin C. Lyell L. Pasteur A. Einstein
The Scientific Method ….. Hypothesis (= theory) Prediction and test Support or reject Proven or Truth
Vacuum tubes Transistors
US Navy Computer 1945 Notebook - 2008
Ecology oikos + ology “study of home” Ernst Haeckel
Ecology How organisms interact with each other and their environment.
….populations can be small. Devil’s Hole, Death Valley
Life History and Fitness
Life History Salmon spawning migration
Life History Salmon spawning migration
Life History Salmon spawning
Life History the end
Life History Fitness = the pay off Newly hatched salmon fry
Niche Koala Bear Very narrow dietary niche
Niche Racoon Very broad dietary niche
Competition and niche Barnacles
Predation (+/-)