About Animals: Sea Cucumbers

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Animals Animals Animal Facts Habitat Facts Animal Pictures From Laura Klappenbach, your Guide to Animals Welcome to the Animals / Wildlife Newsletter, a weekly newsletter published every Thursday by About.com's Animals / Wildlife website. For more about animals and wildlife, be sure to stop by the blog, participate in forum discussions, and browse the growing library of animal profiles. Sea Cucumbers - The Sausage-Like Echinoderms Sea cucumbers are sausage-shaped echinoderms that include about 1250 species. Sea cucumbers have a reduced endoskeleton that consists of tiny ossicles (made of calcium carbonate) embedded in the body wall.... Read more See More About:  invertebrates  echinoderms  sea cucumbers Echinoderm Pictures You can view pictures of echinoderms, including sea stars, sea cucumbers, brittle stars, sea daisies, sand dollars, sea urchins and more here.... Read more See More About:  animal pictures  echinoderms  Gharial Pictures Gharials are a critically endangered species of crocodilian most notable for their long, slender snout. View pictures of gharials in this photo gallery.... Read more See More About:  reptiles  gharials  Amphibians Amphibians are a group of vertebrates that includes salamanders, newts, caecilians, frogs and toads. There are between 5,000 and 6,000 species of amphibians alive today. The first amphibians arose about 370 million years ago during the Devonian Period. The articles listed below provide information about the characteristics, classification and evolution of amphibians. Animals / Wildlife Ads Animals Endangered Animals Pictures of Animals Animals Rainforest Wildlife Animals Featured Articles Birds Fishes Invertebrates Mammals Reptiles Habitat Facts   More from About.com Bake Sale Bestsellers Make your next bake sale a profitable one with these irresistible recipes. More> Real Recipes app Download our highly-rated app for free recipes and kitchen tools, for iPhone and iPod Touch. More> This newsletter is written by: Laura Klappenbach Animals Guide Email Me | My Blog | My Forum   Sign up for more free newsletters on your favorite topics You are receiving this newsletter because you subscribed to the About.com Animals newsletter. If you wish to change your email address or unsubscribe, please click here. About.com respects your privacy: Our Privacy Policy Contact Information: 249 West 17th Street New York, NY, 10011 © 2012 About.com   Must Reads Animals A to Z What is Evolution? Basic Animal Groups Facts About Animals Animal Characteristics   Follow me on: Advertisement