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horatioo horatioo
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6 years ago
Why do seals and sea lions retain zygapophyses in their backbones, while whales and sea cows do not?
 
  How could we use this anatomy to determine the behavior of extinct whales (and what additional evidence do we have in one fossil whale to back up behavioral predictions)?
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frogiiesflyfrogiiesfly
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6 years ago
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horatioo Author
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6 years ago
Brilliant ツ
cipcal
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sakoon
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2 hours ago
Just got PERFECT on my quiz
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