Webnews presenter, entertainment 2.9K views, 17 likes, 16 loves, 62 comments, 6 shares, Facebook Watch Videos from GBN Grenada Broadcasting Network: GBN... WebThey feed by filtering particles from water and a radula is absent. They exchange gases using a pair of ctenidia, and excretion and osmoregulation are carried out by a pair of nephridia. In some species, the posterior edges of the mantle may fuse to form two siphons that inhale and exhale water.
Freshwater Clams: The Many Different Kinds With Their Care Guides
WebUsually both mantle lobes are partly grown together, leaving three openings, two, through which water enters and leaves the cavity, providing the mussel with food and oxygen, and a third opening for the foot to leave the shell. Usually the foot is the only part of the mussel's soft body to be seen outside of the shell. WebDec 11, 2015 · Mollusk gills are called ctenidia, and they are made up of a series of thin filaments of tissue that resemble the teeth of a comb. These filaments absorb oxygen … malphon aspect
Mollusk Structure and Function - Advanced ( Read ) Biology
WebThe animal creates a current through the shell using its cilia and occasional contractions of its muscles to bring in water for respiration, which exits the narrow end of the shell. They … WebMollusks are members of the invertebrate phylum Mollusca and contain more than 100,000 species. Some mollusks have shells like clams and snails, while larger mollusks have no bones at all like the cuttlefish, squid and octopus. More Animals Topics to Explore: Corals & Jellies Crustaceans Other Marine Life WebThe larvae of the flatworm leave the snail and enter the water. They then penetrate the skin of any mammal, including humans, that they encounter. Attempts to control schistosomiasis in tropical regions are often directed toward eliminating the freshwater snails. The kidneys extract water, minerals, urea, and other waste products from the blood. … An age-appropriate, safe encyclopedia resource designed for learning and … John Markham. Adult animals that have soft, elongated, often tubelike bodies and … The one-piece shells are called univalves and the two-piece shells bivalves. All the … Some animals that live in water absorb oxygen directly into their cells. The … Encyclopædia Britannica, Inc. The nervous system in humans has two main parts: … malphrus family