What do a typical garden snail and an octopus have in common, besides the occasional appearance on the plates of adventurous diners? More than you may realize. Both are mollusks, a group of animals that includes everything ...
Evolution
Nov 2, 2011
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Mollusks have been around for so long (at least 500 million years), are so prevalent on land and in water (from backyard gardens to the deep ocean), and are so valuable to people (clam chowder, oysters on the half shell) ...
Evolution
Oct 26, 2011
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(PhysOrg.com) -- Seemingly simple animals such as the snail and squid have ransacked the genetic toolkit over the last half billion years to find different ways to build complex brains, nervous systems and shells, according ...
Plants & Animals
Sep 15, 2011
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(PhysOrg.com) -- Think "mass extinction" and you probably envision dinosaurs dropping dead in the long-ago past or exotic tropical creatures being wiped out when their rainforest habitats are decimated. But a major mass extinction ...
Plants & Animals
Jun 2, 2011
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Using eyes made of a calcium carbonate crystal, a simple mollusk may have evolved enough vision to spot potential predators, scientists say.
Plants & Animals
Apr 14, 2011
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Nacre, commonly known as mother-of-pearl, is the iridescent material lining many mollusk shells. It is part of a two-layer armor system that protects the animal from predators. The brittle outer layer of the shell absorbs ...
Materials Science
Feb 2, 2011
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New research on ammonites, a group of previously common marine invertebrates that went extinct after the Chicxuluxb impact 65 million years ago, is filling in details about the biology of these organisms.
Archaeology
Oct 13, 2010
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In a counter-intuitive finding, new research from North Carolina State University shows that a species of shellfish widely consumed in the Pacific over the past 3,000 years has actually increased in size, despite - and possibly ...
Archaeology
Aug 31, 2010
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Arthropods and mollusks are Nature's true bluebloods - thanks to hemocyanin, an oxygen-carrying large protein complex, which can even be turned into the enzymatically active chemical phenoloxidase.
Biochemistry
May 12, 2009
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Loggerhead sea turtles (Caretta caretta) are opportunistic carnivores that primarily feed on invertebrates and fish. In the wild, they eat a variety of food items depending on their life stage and geographic location. For ...
Plants & Animals
Jul 27, 2021
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