WebJuan Ramos. Phylum Mollusca, known as mollusks, are a group of invertebrate animals that include slugs, snails, mussels, octopus, bivalves, gastropods, etc. This phylum is attributed to 85,000 species with tens of … WebAug 19, 2024 · The mollusks are a diverse group (85,000 described species) of mostly marine species. They have a variety of forms, ranging from large predatory squid and octopus, some of which show a high degree of intelligence, to small grazing forms with elaborately sculpted and colored shells. The annelids traditionally include the …
Ch. 15 Chapter Summary - Concepts of Biology OpenStax
WebThere are three types of mollusks: gastropods, bivalves, and cephalopods. Gastropods, like snails and slugs, are the largest group of mollusks found in freshwater, rainforests, oceans, and even deserts. They often have an … WebAug 26, 2010 · Flatworms are traditionally divided into four classes: Turbellaria, Monogenea, Trematoda, and Cestoda (Figure 15.16). The turbellarians include mainly free-living marine species, although some species live in freshwater or moist terrestrial environments. ... The trematodes, or flukes, are internal parasites of mollusks and many … myer pillowcases
Phylum Mollusca - Characteristics, Classification and …
WebThe organisms belonging to phylum Mollusca exhibit the following characteristics: They are mostly found in marine and freshwater. Very few are terrestrial and found in moist soil. They exhibit organ system level of … WebMollusks are a diverse group of invertebrates found both on land and in the ocean. They have a soft body and an internal or external shell. Snails, clams, and squid are examples of mollusks. They have a thin layer of … WebMollusks represent 23% of sea animals , they are the phylum with the largest number of marine animals. Most have a single pair of gills, but some species have lung respiration. The smallest live in coastal areas , where the waves break, and protect themselves between stones, crevices or in the mud. off leash k9 training wisconsin