2/26/14 Objective: Who was Charles Darwin and how is he important to the theory of evolution?

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Presentation transcript:

2/26/14 Objective: Who was Charles Darwin and how is he important to the theory of evolution?

Evolution Genetic change in a population or species over generations

Creationism Book of Genesis –All species were individually designed by a creator –Earth is about 6000 years old 1/2/e_s_7.html

Scopes Scopes Monkey Trial High school teacher accused of teaching evolution

Aristotle Believed in spontaneous generation Species are fixed/permanent and do not evolve

Buffon Studied fossils and suggested Earth is much older than 6000 years

Contributions to the Theory of Evolution Charles Lyell (influenced Darwin)  Geologist  Material forces Gradually change Earth’s surface

Contributions to the Theory of Evolution Jean Baptiste Lamarck:  Used fossils to determine that life evolved  Thought that using or not using body parts develops traits that are passed to offspring (wrong!)

Contributions to the Theory of Evolution Charles Darwin: “Father of Evolution”  HMS Beagle (1831) - A surveying ship that traveled around the S. American coastline - Darwin collected fossils, living plants and animals

Contributions to the Theory of Evolution  Galapagos Islands - Darwin noted unique organisms on each island, similar but different from the mainland.

On the Origin of Species by means of Natural Selection Book written by Darwin that explains ways organisms become adapted to their environment

2 Features of Darwin’s Theory 1. Descent with Modification: Diverse forms of life have arisen from ancestral species (accumulating different modifications) 2. Natural Selection: the mechanism of evolution, those species with the best traits will survive and reproduce.

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ecfossil/ ecfossil/ (2m 34s) shfingers/ shfingers/ (3 m 48 s) owhappens/ owhappens/ (7 m)