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Charles Darwin (1809-1882) and The Galapagos Islands

Charles Darwin (1809-1882) and The Galapagos Islands. Darwin’s Ideas. The diversity of living species was far greater than anyone had previously known These observations led him to develop the theory of evolution. Darwin’s Finches. Environmental adaptation. Each island

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Charles Darwin (1809-1882) and The Galapagos Islands

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  1. Charles Darwin (1809-1882)and The Galapagos Islands

  2. Darwin’s Ideas The diversity of living species was far greater than anyone had previously known These observations led him to develop the theory of evolution Darwin’s Finches

  3. Environmental adaptation Each island had its own type of tortoises and finches that were clearly different from other islands List reasons why the tortes and finches would be different?

  4. Evolution Evolution is a well supported explanation of phenomena that have occurred in the natural world A theory in science is a well tested hypothesis, not just a guess What is the evidence that supports evolution?

  5. The Grand Canyon Rock layers take time to form. Processes can be seen in action today. How can fossils (remains of organisms) in these rocks be evidence of evolution? 270 – 280 million years 280 – 300 million years 300 – 500 million years 700 – 1,100 million years

  6. Relative dating How can rock formations/layers containing fossils (remains of organisms) be evidence of evolution?

  7. Carbon 14/Carbon 12 Carbon 14/Carbon 12 ratio changes after death of an organism giving age estimate.

  8. Evolution of Whales Look at the diagrams comment them

  9. Lamark (1801-1809)Theory of acquired characteristics • The effect of environment on the species. • The effect of use and disuse of organs and • The inheritance of acquired characters. Give a reason why a giraffe may have acquired a longer neck?

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