Ellen J Prager

Describes the formation of sand from materials such as coral, rock, or crystals and shows how it can be moved through water, wind, ice, and other erosion agents.

"Snails and sea slugs use Sea Slime. But, did you know that coral and clownfish need slime too? Marine scientist Ellen Prager takes us deep into the sea to introduce us to fascinating and bizarre animals that use slime to capture their food, protect themselves from harm, or even move from place to place in their underwater environment"--