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384-322 B.C, greek philisopher
Species are permanent, perfect, & immutable.
With increasing comlexity, dominant world view for 2000 yrs -
Species are permenent, perfect, immuatble.
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Swedish physician & botanist whose passion was taxonomy.
Developed hierarchial classification scheme & binomial nomenclature, -
French anatomist who largely developed paleontology, the study of fossils.
Deeper strata contain older taxa,
Came up with Catastrophism. -
Scottish geologist who offered an alternative to catastrophism.
Proposed Earth was millions over thousands of years old.
Came up with idea of Gradualism -
incorporated Hutton's Gradualism into theory of Uniformitarianism,
Proposed Earth millions of years old.
Principles of Geology -
One of 18th & 19th century biologist who hypothesized that traits of species are not immutable.
Stated that changes are adaptations to enviornment acquired in an organism's lifetime.
Aquired changes passed to offspring
Law of Use & Disuse
INheritance of acquired traits. -
Plants and animals are capable of producing far more offspring than resources can support; the "struggle for existance" is an inescapable consequence.
Each specie struggles for food, mates, & living space -
English gentleman who conceived if natural selection as the principle mechanism of adaptive evolution.
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organisms evolved from common ancestor
The orgin of Species (1859)