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Evolution

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by

Annie Seefeldt

on 30 October 2013

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Transcript of Evolution

"Linnaeus organizes, God creates"
Lived 1707-1798
Responsable for classifying life
Sorted life using an order of
kingdom, phylum, class, order, family, genus, & species
Invented a system of classification called
Binomial Nomenclature
Two names (ex. Homo sapiens)
1st name = genus
2nd name = species

Carolus Linnaeus
Jean-Baptiste Lamarack
Lived 1744-1829
1st Law
Explained how organisms acquire various characteristics
2nd Law
Stated that these characteristics were inherited and passed down through generations
He did not believe in
extinction
Some of his theories are incorrect
Charles Darwin
1809-1882
Born in Shrewsbury, Shropshire England
University of Cambridge
Discovered an interest in wildlife and began collecting beetles
Graduated from Cambridge w/ high honors

1831 – Darwin was invited to serve as the resident naturalist on board the HMS Beagle for a two-year trip around the world
Aboard the Beagle

Collected specimens and fossils
Galapagos Islands:
Animals and plants varied among the different islands
Hypothesized that different animals on the islands had once been members of the same species
In England he explored the idea further
Impact of Evolutionary Thinking
Artificial and Natural Selection
Descent with Modification
&

Theory of Evolution
Observed breeders
Artificial selection -
the process in which nature provides the variation among different organisms and humans select the variations that they find useful

Survival of the fittest
Adaptations
Natural selection
- the process that changes inherited traits of a species over time to render it more suited to its environment
Descent with modification
Common descent––all living organisms are related
Darwin published his
theory of evolution
in 1859 (at age 50)
Darwin's ideas were initially met with
controversy
His findings were HUGELY significant in the scientific world
Field of DNA studies developed
Reshaped our understanding of the world
Evolution
Full transcript