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Mollusks

Mollusks. Mollusks are soft-bodies with hard shells. Mollusks have their organs in a fluid-filled cavity They usually have one or two shells. Slugs and snails are most active at night or on cloudy days. Mollusks reproduce sexually.

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Mollusks

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  1. Mollusks

  2. Mollusks are soft-bodies with hard shells. • Mollusks have their organs in a fluid-filled cavity • They usually have one or two shells. • Slugs and snails are most active at night or on cloudy days. • Mollusks reproduce sexually. • Their heart moves blood out into the open spaces around the body organs. • Mollusks worms have a one way digestive system with a separate mouth and anus. • Mollusks have a circulatory system. characteristics

  3. *mollusks live in a wide variety of the habitat from the bottom of the to the top of the ocean they also inhabit ponds,rain forest,garden,tide pool and many other places. Some live in water. Mollusks have many uses they are food for fishes,sea stars,birds, and humans. I HABITIAT

  4. *A gastropod is the largest group of mollusks. *A cephalopds is the most specialized and complex mollusks. *some types of mollusks are clams,oysters,scallops,and snails ,and octopus and many other kind of mollusks. *many species of mollusks become extinct about 45 million years ago. * mollusks worms have a one way digestive system with a separate mouth and anus. Different kind of mollusks

  5. Mollusks diagram This is how a mollusks look

  6. *Freshwater mollusks feed by filtering the water for various zooplankton, detritus, and other small plants and animals.   *As the food and nutrients enter the shell, the labial palps secrete a mucus that binds the floating particles of food and nutrients together to form a bolus.  After the bolus has formed,  the cilia located on the labial palps move to form a current within the mussel's protective shell.   *This current helps to move the bolus of food and nutrients to the mouth were it can be ingested. *After the bolus of food and nutrients have been digested, the waste material is then excreted from the anus and then discarded from the shell, usually by the use of the siphon, if the siphon is present. *Most mollusks eat all kinds of things. The cephalopods (octopi, squids, and their allies) are predators of fish and other marine life. What the mollusks eat to survive

  7. *Mollusks are used for jewelry and decoration. *Pearls are produces by several of the species of mollusks. *Some mollusks can cause problems to humans. Eating infected mollusks can result in a sickness or even death. Cool facts of mollusks

  8. Some oysters may release over one million eggs in a season. Only about one of these eggs will survive to become an adult oyster. • Some oysters alternate their gender, male one year, female the next. • Some members of the scallop family have dozens of eyes. These eyes help the scallop to detect predators, Interesting facts of different kind of mollusks

  9. Mollusks By:Ashley,Grisel,Jazsmin,Yancy

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