1. Characteristics of Life  Cells  Organization  Energy Transformation  Homeostasis  Growth & Development  Reproduction  Response & Adaptation –evolution

3. Scientific Method  Purpose  Hypothesis  Experimental Design –Independent variable –Dependant variable –Control group –Use large sample groups –“repeat to verify”  Results  Conclusions/Analysis

4. Scientific Method continued  Results  Conclusions/Analysis

5. Scientific Writing  Straightforward, direct  Literary tricks  Be concise, yet clear  Avoid JARGON- confused, unintelligible language; obscure & pretentious language, slang  BE CAREFUL OF PLAGIARISM!!!!!!!!!!! IOW, NO BULL!

6. Designing an Experiment  Purpose/question –Effect of alcohol on rats  Hypothesis  Experimental design –3 groups of 10 rats Control grp-no alcohol Grp 1-low dose alcohol Grp 2 high dose alcohol What doses? How delivered? –Measurement? Liver enzyme-”liverase”

7. Results Grou p Day 2Day 5Day 10Day 15 Contr ol.5ul.52ul.49ul.51ul 25 ml alcoh ol.47ul.43ul.40ul.35ul 50 ml acoho l.43ul.39ul.30ul.19ul

8. Conclusions & Analysis  Rats given alcohol showed lower liverase levels as compared to control  Decrease in liverase levels was dose dependent  Liverase levels decreased as a function of time  Compare to what is already known about rats and alcohol  What other questions does this raise?