Zoology - Lecture 2 - Lecture 2: What is Life and What...

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1 Mysterious red cells might be aliens By Jebediah Reed Popular Science Friday, June 2, 2006 http://www.cnn.com/2006/TECH/science/06/02/red.rain/index.html Think about… What characteristics must these cells exhibit to be considered as living organisms? What do you think would be required of them to be classified as ALIEN organisms? Lecture 2: What is Life and What Underlies Life? The Scientific Method Observation Question Hypothesis 1 Hypothesis 2 Hypothesis 3 Hypothesis 4 Hypothesis 5 Hypothesis 2 Hypothesis 3 Hypothesis 5 Hypothesis 5 Experiment Reject Hypotheses 1 and 4 Experiment Reject Hypotheses 2 and3 Predictions Experiment Experiment Experiment Experiment Predictions Confirmed HYPOTHESIS : If pigeons tend to release their feces while flying above cars EXPERIMENT: and cars are arranged randomly beneath flying pigeons to create equal areas of cars and asphalt PREDICTED RESULT: then there will be more bird droppings found on top of the cars than on the ground [10] NULL HYPOTHESIS : If pigeons have no tendency to release their feces while flying above cars EXPERIMENT: and cars are arranged randomly beneath flying pigeons to create equal areas of cars and asphalt PREDICTED RESULT: then there will be approximately equal amounts of bird droppings on the tops of the cars and on the ground [11] EXPERIMENT: enclose in dome don’t allow perching PREDICTED RESULTS: Number of Droppings cars asphalt dependent variable =
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Zoology - Lecture 2 - Lecture 2: What is Life and What...

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