Why do hammerhead sharks have hammer-shaped heads? - The Conversation

The first hammerhead shark was likely the result of a genetic deformity. A biologist explains how shark DNA reveals hammerheads’ history.

Curious Kids is a series for children of all ages. If you have a question youd like an expert to answer, send it to curiouskidsus@theconversation.com. Why do hammerhead sharks have hammer-shaped hea… [+5607 chars]

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