Biology 1225 Chapter 1: Biology 1225 Chapter : Chapter 1

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This is a good introductory chapter, you should read it to get a useful perspective on the study of. ", and section 1. 5 including tables 1. 1 and fig1. 11 are useful for exam purposes. The material on the scope of science on page 19 is also useful material but will not appear on an exam. Note the explanation given about the confused and often incorrect use of the word "theory". A tentative explanation for an observation is an hypothesis, when this hypothesis has been repeatedly tested and supported by data, it is then a theory. Most of the time, when the general public uses that silly dismissive phrase "well. it is only a theory", what they actually mean, at best, is "it is only an idea". A theory is more powerful than an idea, it is an hypothesis that has been tested, "worked" time and time again so that it has lots of supportive data.

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