Becoming Whale

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Becoming Whaleand the history of the earth

• By Ms. Painter

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Whales and Dolphins
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What Characteristics do they have in common?

• So Is this a whale?
• How about this?

• Whales and dolphins are Mammals!
• Warm blooded
• Breath air
• Live births
• Mammary glands
• Hair

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Mammals evolved on land
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How did whales evolve from land mammals?

• What kind of evidence do we need to answer this
  question?
• Fossils!!
• What kind of characteristics would you expect
  whale ancestors to have?

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Where does whale evolution fit in the big picture?
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Who is the closest living relative?

• Whales are mammals
• Whale have live births
• Whale are adapted to life in the water
• The Hippo!!

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