ARCH 131- Final Exam Guide - Comprehensive Notes for the exam ( 28 pages long!)

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Advantage + disadvantage (not able to protect themselves from predators b/c small: sumatran rihinoceros smaller than white and black rhinos, mule deer, key deer (florida keys, pygmy hippos in libera example of dwarfism. Arch 131 unit 2: evolution + natural selection. 6 fundamental premises of natural selection: more species are produced by a species than can be support by naturally available food sources. Ex. fetus mice feeds off of mother rat. Not all offspring are able to reach maturity as there are a lot of babies. Thomas malthus wrote an essay on the principles of populations. (cid:862)a(cid:374)i(cid:373)al populatio(cid:374)s te(cid:374)d to i(cid:374)(cid:272)rease e(cid:454)po(cid:374)e(cid:374)tiall(cid:455) (cid:449)hile food supplies te(cid:374)d to re(cid:373)ai(cid:374) sta(cid:271)le. (cid:863: within any one species there exists a significant amount of genetic variability. Humans visible differences ( blood type, race, etc: individuals with advantageous traits will have an edge over other member of their species in terms of their ability to survive longer. Gazelle tends to out run other predators better.