1. Bio 101 Dr. Barton [email_address] . Please sign the class list next to your name.

2. 16 weeks two lectures per week one lab per week as listed in syllabus Test every third week at the end of the Friday class . There will be a total of 5 tests. The lowest score will be dropped unless a test is missed .

3. First week: chapters 1-3 Second week: chapter 4 Third week: chapter 5 Pay attention to the Learning Outcomes highlighted in each chapter. Test questions will be multiple choice or short answer questions modeled on the questions at the end of each chapter.

4. DOMAINS

5. Question Hypothesis Predictions Experiments Conclusion Scientific Method Proven hypotheses lead to theories.

7. 1858 Hypothesis: Natural selection is the mechanism for evolution. Individuals possessing attributes that give them an advantage in their environment are more likely to survive and reproduce. Therefore the population gradually changes. Decent with modification = evolution

8. Bhor

12. Oxygen oxidizes things, oxygen always gains electrons Oxidized molecule looses electrons. Oxidation is the loss of electrons. Reduction is the gain of electrons. In an oxidation reaction, oxygen itself is reduced.

13. Each period: same # valence electrons in in outermost shell

16. Structural formula Molecular formula

18. The water molecule is polar.

19. Hydrogen bond is a fixed length causing ice to be less dense than liqiud.

20. Properties of Water mostly liquid at earth surface Can adhere to other polar molecules (capillary action)

29. Eratosthenes (Er-uh-tos-thuh-neez)