DARWIN’S VOYAGE OF DISCOVERY Mrs. MacWilliams Academic Biology.
Darwin’s Voyage Chapter 16.
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Transcript of Darwin’s Voyage Chapter 16.
Darwins Voyage Chapter 16 Evolution A change over time
https://hcnaturalselection.wikispaces.com/file/view/horse.jpg/
/664x210/horse.jpg Developed a scientific theory that explainshow
modern organisms evolved over longperiods of time through descent
fromcommon ancestors. Charles Darwin Darwins Voyage 1831: Darwin
sailed aroundthe world in the HMS Beaglemaking observations
andcollecting evidence. Most of his work was doneat the Galapagos
Islands,located 100 km west ofSouth America. 1859: Darwin
publishesOrigin of the Species. Darwins Observations
Different, yet similar, animalspecies inhabited separated,but
similar, habitats aroundthe globe. Different, yet related,
animalspecies occupied differenthabitats within a local area. Some
fossils of extinctanimals were similar to livingspecies. Ideas that
Shaped Darwin Scientists that Influenced Darwin
James Hutton: Using geologyhe concluded that the earth must bemuch
older than a few thousand years. Scientists that Influenced
Darwin
Thomas Malthus: Reasoned thatif the human population grewunchecked,
their wouldnt be enoughspace and food for everyone. Scientists that
Influenced Darwin
Charles Lyell:Argued foruniformitarianism - thegeological processes
wesee today must be thesame ones that occurredlong ago. Jean
Baptiste Lamark 1809 Suggested that organisms couldchange during
their lifetimes by using ornot using parts of their bodies.
Theseacquired traits could then be passed ontotheir offspring.