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9 Cards in this Set
- Front
- Back
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the "homology"
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Very different things that share the same evolutionary history and have evolved in different ways to adapt to different living conditions
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the "analogous"
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contrasting structures that may look or work the same way, but have different biological origins
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the human
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the human
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the human hand
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in this walking mammal, the finger bones are essential to manipulating food, tools, and gesturing during conversation
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the form and function
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for many years, people didn't realize that humans, whales, and bats shared a common ancestor long ago; all three mammals have evolved the same finger bones to use in different ways, helping them grip, swim, and fly.
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the bat
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the bat
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the bat wing
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in thie flying mammal, the five finger bones are greatly elongated, providing support for the webbing that makes up much of a bat's wing
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the whale
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the whale
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the whale flipper
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in this swimming mammal, four finger bones are very long, supporting the long paddle-like flippers that help a whale maneuver through the water
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