SFWRENG 3RA3- Final Exam Guide - Comprehensive Notes for the exam ( 24 pages long!)
1 Dec 2017
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Periods may be punctuated by major events. * radiations, mass extinctions ago things happened. People started talking about periods before they had good measures of how long. 2. 1 context for evolution unexpected directions better adapted to that environment. New environments can arise (e. g. , mountain ranges, desert basins) Geology may also change connections between two populations without a large opportunities: Plants evolve new ways to use insects for sex, or vertebrates for dispersal. Animals evolve new ways to benefit from plant resources. P. 211: our ancestors radiated and dominated many terrestrial environments before dinosaurs did. I have no idea why the book refers to therapsids as reptiles; it seems very wrong: Things that have had radiations may be more likely to persist. Gain and then loss of species diversity. Competition from a successful member (people vs. other hominins) They"re found in more different specific places. May have a few very successful species (like us: humans are primates, an (cid:498)order(cid:499) characterized by.
