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This close-up of a great white shark's mouth shows its rows of sharp teeth. When a shark loses a tooth, a replacement moves forward to replace it.</p>
Great White Shark
This close-up of a great white shark's mouth shows its rows of sharp teeth. When a shark loses a tooth, a replacement moves forward to replace it.
- Animals
- Photo Gallery
Sharks
See shark pictures (including great white sharks, nurse sharks, tigers sharks, and more) in this photo gallery from National Geographic.
