BIOL 152 1st Edition Lecture 1Scientific Theory I. Science Vs. BeliefsA. Science 1. About understanding how the universe works and in discovering the fundamental reasons why everything works the way it does2. Objective: its laws and predictions are repeatable and unaffected by human preferences.3. Empirical: its findings are measurable and every theory can be tested.4. Dynamic: the process of scientific investigation leads to new discoveries everyday5. It is a process in which experiments are used to answer questions.B. Scientific method1. A more complete outlining involves the following:a. •The scientist gets an ideab. •It makes pertinent observationsc. •Studies pertinent literatured. •Develops an hypothesis or hypothesese. •Design experiments to test the hypothesisf. •Conducts experimentsg. •Keeps careful recordsh. •Evaluates results of the experimentsC. Hypothesis 1. Definition: a proposition that might be true2. Example:These notes represent a detailed interpretation of the professor’s lecture. GradeBuddy is best used as a supplement to your own notes, not as a substitute.a. There is not light in this room.b. Hypothesis 1: the light switch is offc. Hypothesis 2: the light bulb is burnt outd. Hypothesis 3: I am going blind D. Theories 1. A theory is a hypothesis that is supported by a great deal of evidence. 2. Examples a. Atomic theory: all matter is composed of atoms. b. Cell theory: all life is composed of cells. c. Genetic theory: the characteristics of living things are passed on through genes d. Evolutionary theory: types of living things change over time. e. Ecological theory: all life is
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