• Evolution
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  • Turtles that lived on the Galapagos islands have different neck lengths. Why did this variation exist?
    Turtles lived in different habitats and had features that allowed for them to access food available.
  • Darwin's Theory of Evolution focuses on the idea that organisms are all related to a common ancestor. Explain how a cladogram shows this.
    At the base of a cladogram is a common ancestor. As characteristics arise over time, they are listed BEFORE the species that have them.
  • During his travels, what did Darwin notice about variation among organisms? (3 ways species vary)
    global, local, over time
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