About Animals: Gastropods - The Twisted Molluscs

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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 twice-weekly newsletter published every Monday and 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. Gastropods - The Twisted Molluscs While bivalves may well be knick-named the mirror-image molluscs, gastropods are by comparison the twisted molluscs. This "twisted" moniker aptly reflects a unique stage in their development known as torsion. See More About:  gastropods  snails  slugs Cephalopods - The Jet-Propelled Molluscs Of all the many ways animals get around--running, climbing, swimming, flying, lumbering, jumping, slithering--the oddest by far is jet propulsion. Only a few groups of animals use this method of movement and the cephalopods are among the most adept. See More About:  cephalopods  octopuses  squids How Many Animal Species Inhabit Our Planet? Estimating the number of animal species that inhabit our planet is an exercise in educated guesswork. Despite these challenges, it is valuable to have some idea of how many species inhabit our planet--find out more about how many species inhabit our planet in this article. See More About:  biodiversity  classification  Amphibians Amphibians are a group of backboned animals 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. See More About:  amphibians  tetrapods  vertebrates Animals / Wildlife Ads Animals Caring for Animals Sea Animals Pictures Photo of Animals The Wild Animals Featured Articles Birds Fishes Invertebrates Mammals Reptiles Habitat Facts   More from About.com Food and Mood Indulging a sweet tooth can cause weight gain, guilt and even worsen depression. Here are a few expert tips to help you resist. More> Carb Cravings Ever wondered why you crave carbs (or chocolate and sugar) when you're depressed? Some scientists say it may be chemical. 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 Animals newsletter. If you wish to change your email address or unsubscribe, please click here. About respects your privacy: Our Privacy Policy Contact Information: 249 West 17th Street New York, NY, 10011 © 2011 About.com   Animal Pictures Frogs of Columbia Rare Frogs of Haiti Amphibian Pictures Advertisement