NATS 1675 Lecture Notes - Lecture 2: Foramen Magnum, Stereopsis, Internal Fertilization
21 Nov 2017
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2016-02-06 15:21: e1--evolution comes from the latin word evolvo = unroll. If the history is the earth is compressed into a single year starting 1. January: 20 march (spring) first simple cells appeared, 22 july atmospheric oxygen becomes abundant, 17 november multicellular animals appear, 28 november land plants appear, 21-27 december age of the dinosaurs, 31 december (9:07 pm) ancestral humans of the genus. Homo; and 2 hours, 38 minutes later at (11:45 pm) homo sapiens (our species) appeared: e7--genetics comes from the greek gen = to be born, to become something. Genetics includes the transmission of traits from generation to generation by birth, and it also includes how traits are expressed (our visible and invisible characteristics). 2016-02-06 15:21: the interaction of these energy sources and the components of the early atmosphere eventually led to the production of ammonia (nh3) (toxic and inorganic) and methane (ch4) (toxic and organic) (fig.
