Darwin’s Theory of Evolution – Part I Evolution – change over time - process by which modern organisms have ______from ancient organisms - a scientific theory – well-supported, ______explanation of phenomena that have occurred in the natural world Charles Darwin – born in England in ______- began studying medicine, but switched to theological school to be a ______- in theological school, he took a few courses in biology and ______- was in contact with scientists about natural history and evolution - ______had been uncovered and the ______was beginning - originally believed in a ______interpretation of the Bible - applied to join the crew of the ______as a researcher - he was not the most qualified, but hired to be a companion to the captain - left on the Beagle in 1831 (____ years old) and was gone for ____ years

During the voyage - when the ship anchored, Darwin went ashore - he made several observations and collected many ______- saw all facts as pieces to the puzzle, but he had no idea what the final product looked like - human contact: Darwin was deeply saddened by ______he saw in South America and the effects of European settlements on the ______in New Zealand - religious views: wondered why there would be such beautiful ______creatures that would not be seen by people, and why some wasps have their eggs feed on paralyzed caterpillars (not the ______belief popular at the time) - always believed in God, and saw the ______as proof Darwin’s observations Patterns of Diversity - compared organisms from similar ______- why were there completely different species if the environments were very similar? ______Living Organisms and Fossils - Darwin collected fossils, some which ______organisms that were still living, others that seemed different from any living organisms - why had so many species represented by fossils disappeared? ______- how were the fossils related to living species? ______The Galapagos Islands – formed by volcanoes (______succession) - islands are close together, but have very different ______- some were dry and nearly ______, others had a lot of rainfall with ______species - studied ______

Why the differently shaped beaks? ______- Why? ______