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Blacknijapowerr Blacknijapowerr
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6 years ago
Why do some people think that early mammals (including most Mesozoic forms) lacked a pinna (external ear)?
 
  What will be an ideal response?
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master1998master1998
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6 years ago
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6 years ago
This calls for a celebration Person Raising Both Hands in Celebration
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
Brilliant
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