Bizarre, but true. A few years ago scientists discovered that the larvae of the Sand dollar are able to clone themselves. When they were exposed to the mucus of their natural enemies – fish – they demonstrated a unique defense mechanism. They cloned themselves which meant more or less that they halved their size. It is thought that this new smaller size helps them to avoid detection by fish and so increase their survival chances.
The Sand dollar is well named - it looks like a coin after all. However, this denizen of the Pacific coast has a trick up its sleeve. It can clone itself.
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