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Chapter 1

BIL 150 Chapter Notes - Chapter 1: Syphilis, Inductive Reasoning, Deductive Reasoning


Department
Biology
Course Code
BIL 150
Professor
Gaines Michael
Chapter
1

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Chapter 1 – Evolution, the Themes of Biology, and Scientific Inquiry
Good Science
Hypo-Deductive Method - Outside world  observations  facts 
questions –hypothesis (through inductive reasoning)  predictions (through
deductive reasoning)
Symbiosis – a relationship where two or more species live in direction
contact
oMutualistic relationship – (+/-)
oCommensalism – (+/0)
oParasitism – (-/-)
Hypothesis – offers as a causal explanation for an event and used for
further observations and experiments (educated guess)
Theory – an explanation that is broad in scope and is supported by a
large body of evidence (supported by different hypothesis on different
aspects from that theory)
Law – a generalization that scientists have observed for a long time and
that never deviates
Bad Science
Crainiometry – you can tell that crime people are going to commit
depending on the shape of their head
Ugly science
NAZI Germany - Joseph Mengels
Tuskegee Syphilis Experiment
o399 black men in the late stages of syphilis Alabama
oNever told what disease they were suffering from or of its
seriousness
oThe data for the experiment were collected from autopsies of
the men who were deliberately left to die of tertiary syphilis
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