What animal is this skeleton from?
Answer:
This is the skeleton of a manatee. There are vestigial hip bones but no back limb bones. Truly amazing creatures!
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Photo Challenge
Question:
The Earth rotates once every 24 hours. As it turns, if you are standing on the Earth, the moon seems to rise and set every day. Now, imagine you are standing on the Moon. How often would the Earth rise and set?