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Darwin’s Theory of Evolution The Puzzle of Life’s Diversity Chapter 15-1

Darwin’s Theory of Evolution The Puzzle of Life’s Diversity Chapter 15-1. Image from: Biology by Miller and Levine; Prentice Hall Publishing ©2006. WRITE A DEFINITION:. ________________ :. change over time; the process by which modern organisms have descended from ancient organisms.

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Darwin’s Theory of Evolution The Puzzle of Life’s Diversity Chapter 15-1

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  1. Darwin’s Theory of EvolutionThe Puzzle of Life’s DiversityChapter 15-1 Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006

  2. WRITE A DEFINITION: ________________: change over time; the process by which modern organisms have descended from ancient organisms _______________ a well-supported testable explanation of phenomena that have occurred in the natural world _______________: the preserved remains of ancient organisms

  3. http://www.millan.net REMEMBER ! The total variety of all the organisms in the biosphere = ________________ Where did all these different organisms come from? How are they related?

  4. What scientific explanation can account for the diversity of life? ANSWER: A collection of ______________, __________, and ___________ known as ________________________

  5. http://harrier.users.netlink.co.uk/Darwin_sm.jpg The person who contributed the most to our understanding of evolution was ______________________ In 1831, at age 22, he joined the crew of the _______________ as a naturalist for a ________ voyage around the world. Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006

  6. During his travels, Darwin wrote thousands of pages in his journals, drew pictures of the things he saw, and collected a vast amount of ______________ that led him to propose a _______________________ about the way _____________. http://www.elsie.brandeis.edu/images/journals.gif http://www.24hourmuseum.org.uk/chg/content/images/2003_2233.JPG

  7. DARWIN WONDERED? Wy do Argentina and Australia have ________ ______ even though they have ________ grassland ____________? Why are there no ______ in Australia and no ________ in England? Why have so many species disappeared? How are these ______ species related to living species? http://www.rc.umd.edu/praxis/mitchell/images/dinosaur1.gif

  8. Who Was Charles Darwin? While on his voyage around the world aboard the ____________, Charles Darwin spent about one month observing life on the ____________________. There, he encountered some unique animals, such as _______ and _________. http://www.darwinadventure.com/pictures/galapagos_giantortoise.jpg http://mikebaird.com/ecuador/images/galapagos_off_ecuador_ng_map.jpg

  9. The Galάpagos Islands are close together but have very different ________. Some were hot and dry, with little vegetation. Others had more rainfall and were rich in vegetation Each island had its own ______ _________ of plant and animal species. Biology by Miller and Levine; Prentice Hall Publishing©2006

  10. Giant Tortoises of the Galápagos Islands Section 15-1 and on Pinta Island, tortoise necks were somewhere in between Pinta Tower Marchena Pinta IslandIntermediate shell James Fernandina Santa Cruz Isabela Santa Fe Hood Island Saddle-backed shell Floreana Hood On the desert-like Hood Island, tortoises had long necks… Isabela Island Dome-shaped shell …while on the lush rainforest of Isabela Island, tortoises had short necks…

  11. Biology by Miller and Levine; Prentice Hall Publishing©2006 After his voyage, Darwin spent a great deal of time thinking about his findings. He began to wonder if animals living on different islands had once been members of the ______________ that had developed___________ characteristics after becoming ________ from one another in different habitats.

  12. Darwin’s Theory of EvolutionIdeas that Shaped Darwin’s ThinkingChapter 15-2 Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006

  13. Ideas that shaped Darwin’s thinking: In 1785 ______________ proposes that the EARTH was ________ by _________________ occurring over __________ periods of time, and is _______________ old. http://www.creationism.org/books/TaylorInMindsMen/TaylorIMMc03.htm

  14. Ideas that shaped Darwin’s thinking: In 1833 _______________ explains that the geological processes still ___________ have shaped Earth’s features over _________________ http://www.biologydaily.com/biology/Sir_Charles_Lyell

  15. Ideas that shaped Darwin’s thinking: SINCE THEN_____________________ _____________________ _____________________ http://wrgis.wr.usgs.gov/docs/usgsnps/animate/A08.gif

  16. http://www.wasatchcomputers.net/gallery/elk_fight.jpg Living things must compete for food, shelter, space, mates REMEMBER !Chapter 3 _____________________

  17. http://www.nndb.com/people/250/000024178/malthus.jpg Ideas that shaped Darwin’s thinking: __________________ He observed that babies were being born faster than people were dying. He reasoned that if the human population continued to grow, sooner or later there would be __________________________

  18. http://www.educa.rcanaria.es/fundoro/00.corsi.htm Ideas that shaped Darwin’s thinking: __________________ was one of first scientists to recognize living things ________________ and that all species were ___________ from other species. Lamarck published his hypothesis of _________________________________ the year Darwin was born.

  19. The male fiddler crab uses its front claw to _________mates and fight off _____________. Through _________ use, the front claw becomes ________. The fiddler passes on this __________ characteristic to its offspring

  20. http://www.geocities.com/arnold_schwarzenegger_pictures/ What’s wrong with Lamarck’s hypothesis? Lamarck didn’t know about genes and how traits are _______. If you lifted weights your whole young adult life, and then you had children, would your kids be more muscular? NO! ________ traits can ____ be __________ to their offspring.

  21. What’s right with Lamarck’s hypothesis? Lamarck was first to develop a scientific hypothesis about ______________ and recognize that organisms are ___________________________ http://pegasus.cc.ucf.edu/~he599900/giraffeeating.jpg

  22. Match the letter of the idea with the man or men who proposed it: Malthus Hutton Lamarck Lyell • The earth is really old, and slowly changes • Living things pass acquired changes on to their offspring • Sooner or later growing populations run out of resources • Living things change slowly over time because of competition for resources, and pass those changes on to their offspring

  23. Concept Map Section 15-3 Evidence of Evolution includes which is composed of which indicates which implies which implies

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