Evolution “Change over time” Process by which modern organisms have descended from ancient organisms
Charles DarwinCharles Darwin Made observations and collected evidence that led him to hypothesize about the way life changed over time
Voyage of the BeagleVoyage of the Beagle
Darwin’s AdventuresDarwin’s Adventures Darwin saw plants/animals and took notes Noted how well they were suited to their specific environment Had visited similar environments but did not see same species (Example: Argentina and Australia) Collected Fossils
Galapagos IslandsGalapagos Islands Close together, but different islands Smallest were hot dry and barren Largest greater rainfall
Shape of ShellsShape of Shells Tortoises Shell shape could determine which island the tortoises inhabited
Birds of GalapagosBirds of Galapagos Finches Collected finches and studied their beaks
Which finches could “spear” an insect? Which finches could crack big seeds? Which finches could pry seeds from cactus?