Clams, octopuses, squids, snails, slugs, mussels and oysters are examples of mollusks. Mollusks are invertebrates that have a head, a visceral mass and a muscular lower body part called a foot. Some have hard external sh... More »

The mollusk has four body parts that consist of mantle, visceral mass, shell and foot. Each one has its own specific purpose. The types of mollusks are so varied that it is difficult to compare each one. More »

The types of zooplankton according to size are picoplankton, nanoplankton, microplankton, mesoplankton, macroplankton and megaplankton. The types of zooplankton according to stage of development are meroplankton and holo... More »

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There are many different oceanic mollusks, such as clams, octopus and oysters, but there are also mollusks that live on land, such as snails and slugs. Mollusks are the second largest group of invertebrates in the world,... More »

Cuttlefish, squid, snails and scallops are molluscs, as are clams, sea hares, nudibranchs, mussels, oysters and limpets. As of 2015, there are roughly 100,000 existing mollusc species, which makes them the second-largest... More »

Sea otters eat mainly slow-moving fish and marine invertebrates, such as crabs, sea urchins, abalones, clams, mussels, snails and octopuses. However, the diet and eating habits of sea otters may vary depending upon the l... More »

One example of adaptation exhibited by oysters is their hard shell, which protects the mollusks from predators. Additionally, as inhabitants of the harsh intertidal zone, where the temperature and water levels fluctuate,... More »