BIOL359 Lecture 29: BIOL 359 - Topic 16 - Human Evolution
11 Apr 2017
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Document Summary
Non-scientific explanations of human origins will not be explored: only scientific facts, theories and hypotheses will be covered, intelligent design currently popular, magical thinking explanations. Origin of species darwin"s started a firestorm of debate for about a year, but then believed: debate continues in non-scientific circles, typical illustrations of the ascent of man major article from national geographic. Huxley vs. wilberforce: friend of darwin, thomas huxley, debated the origin of species with bishop samuel. Phylogeny of mammals: 3 kinds of mammals c. 5500 species -- mammals have fur, mammary glands. Fetuses are born very immature and crawl up from birth canal into the pouch, latch onto mammary gland and continue growing. Placental mammals specialized embryonic organ attached to the wall of the uterus. Nutrients can pass across occasionally mother"s cells. Phylogeny of eutheria: four major phylads of eutheria, eutheria means true beasts, evolved in western and eastern portions of the northern hemisphere supercontinent.
