BIOL 1004 Lecture Notes - Lecture 1: Allele Frequency, Genotype Frequency, Population Bottleneck

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Science: a way of understanding the natural world based on observable and measurable evidence. Founded on facts, tentative (subject to scrutiny, nondemocratic, non-dogmatic). Theory: explanation based on first principles (undeniable facts) or from a body of measurable evidence. Theory are subject to modification or replacement as new evidences are gathered. Evolutionary biology: the field of biology seeking to understand the history of life and the mechanisms responsible for its changes. Evolution, buffon: argued that the earth is older than proposed by the bible. He also suggested that species are not immutable and can change over time but did not propose a mechanism explaining how. Evolution, lamark: first naturalist to propose a mechanism explaining how life changes over time (i. e. evolution). This individual would then produce offspring with the modified version of the trait. Paleontology: allows us to understand the sequence of events in the history of life as well as the conditions prevailing in past environments.

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