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.