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Charles Darwin YOUNG CHARLES DARWIN & HIS JOURNEY (1831-1836) 1. What did Darwin’s dad want him to do with his life?______________________________________ 2. What was Darwin most interested in? _______________________________________________ 3. What job did Darwin sign up for on the 5-year voyage of the HMS Beagle as it traveled throughout the Southern Hemisphere? _______________________________________________________ 4. What did Darwin notice about the animals and plants of the Galapagos Islands? _________________ ____________________________________________________________________________ ____________________________________________________________________________ 5. Explain Darwin’s hypothesis of how different species came to exist on the Galapagos Islands. ____________________________________________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ DARWIN & HIS THEORY OF NATURAL SELECTION (1836-1859) 6. Soon after returning from the HMS Beagle trip, Darwin sketches “the tree of life”. What does the “tree of life” show about all life on Earth?____________________________________________ ____________________________________________________________________________ o From Darwin’s observations and influences (see “Influences on Darwin” section below) he creates a theory called Natural Selection that explains how evolution occurs. o Over the next 20 years Darwin makes observations & collects evidence to support his theory. o Eventually in 1859 Darwin publishes his theory of Natural Selection in his book titled The Origin of Species. 7. What are the TWO reasons Darwin’s book, Origin of Species (1859) is the most influential work on evolution? ____________________________________________________________________________ ____________________________________________________________________________ Influences on Darwin Charles Lyell & Geology 8. What did most scientists think about the age of the Earth during Darwin and Lyell’s time? ____________________________________________________________________________ 9. What two ideas did Charles Lyell explain about the Earth in his book? _______________________ ____________________________________________________________________________ 10. How did Darwin apply Lyell’s ideas about the Earth?_____________________________________ ____________________________________________________________________________ Selective Breeding (Artificial Selection) 11. What is selective breeding? ______________________________________________________ ____________________________________________________________________________ 12. How did selective breeding influence Darwin? _________________________________________ ____________________________________________________________________________ ____________________________________________________________________________ 13. Give an example of selective breeding? ______________________________________________ Thomas Malthus & Population Control 14. What does Thomas Malthus’ book explain about human population? __________________________ ____________________________________________________________________________ ____________________________________________________________________________ 15. According to Malthus, what limits the human population? _________________________________ ____________________________________________________________________________ 16. How did Darwin apply Malthus’ work on population? ______________________________________ ____________________________________________________________________________ ____________________________________________________________________________ Alfred Wallace & his Essay 17. What idea did Alfred Wallace (1858) come up with from his work in Malaysia? _________________ ____________________________________________________________________________ 18. What was the difference between Wallace and Darwin’s work? _____________________________ ____________________________________________________________________________ 19. What did Wallace’s letter to Darwin prompt Darwin to do? ________________________________ ____________________________________________________________________________
