BIOL110s05-31 - BIOL 110: Principles of Biology Spring 2005...

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1 BIOL 110 : Principles of Biology Spring 2005 Lecture 31, F 4/15/05 http://www.smccd.net/accounts/staplesn/biol110/ ONLINE Quizzes link: [Quiz #6 up ~Mon.] (Cañada College I.D. [G#] for login and password) http://smcwebtest.smccd.net/accounts/staplesn/index.tpx Time-limited (so study well first!); ~ 30 minutes to complete Can view twice, submit once only. Midterm 2: Extra credit if scored <70%: Due ASAP!! Journal Reports #1 – Last Chance = this WEEK!!! Midterm #3 Study Guides Available: USE THEM!!! Next: Ch. 14, 18 (bits of 19), 25, 23 , 29-31, 32…. . REVIEW: Ch. 12: Processes of Evolution – Evolutionary processes: – Microevolution – mechanisms of Natural Selection – directional, stabilizing, disruptive TODAY: Ch. 14: – The Prokaryotes: Bacteria & Archaea
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2 I. Archean Eon and Earlier ( > 4.5 billion yrs. ago) • Origin of Earth –Formation of Earth’s crust, atmosphere • Chemical and molecular evolution • First cells ( anaerobic bacteria ) First Atmosphere • Hydrogen gas • Nitrogen • Carbon monoxide • Carbon dioxide • No gaseous oxygen
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BIOL110s05-31 - BIOL 110: Principles of Biology Spring 2005...

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