PPT-Mollusks

Chapter 16 Molluscs are triploblastic which means three tissue layers   II             Molluscs are coelomates  a fluid filled body cavity lined by mesoderm  Have a complete digestive system. Diatoms Flagellates Rotifers Green algae Calanoids Cyclopoids Zebra/Quagga mussels Mollusks Chironomids Amphipods Opossum Shrimp Ruffe Rainbow Trout Burbot Lake Trout Chinook Salmon Walleye Lake Super Diatoms Flagellates Rotifers Green algae Calanoids Cyclopoids Mollusks Chironomids Gammarus Round Goby Rainbow Trout Burbot Lake Trout Smallmouth Bass Walleye Lake Erie Food Web White Bass NOAA, Great Phylum Mollusca. Ch. 12 – . Molluscan. Success. Mollusca = “Soft Bodied” (Latin). Phylum Mollusca . ~555 Million Years Ago. Molluscan. Characteristics. Range in size and body shape. Largest . A. ffecting Reef Growth. Constructive Agents . “Reef Builders” . Organisms that secrete the calcium carbonate skeletons that form the reef. Examples: . Calcareous Corals. Coralline Algae. Crack Fillers. Mollusca. 75000 species. 2. nd. only to Phylum . Arthropoda. Includes octopuses, oysters, snails, slugs, squids, clams…. Divided into 6 classes based on shell and foot. Common Characteristics. Shell ~ tough multilayered structure, for protection or body support. Kingdom . Animalia. Phylum . Mollusca. Class . Gastropoda. Class . Bivalvia. Class . Cephlapoda. Mollusks. 50,000 species. 10 classes. Includes:. Squid. Octopus. Clams. Conches. Snails. Sea slugs. Sarah . Whitebloom. Matt Jones. Eddie Frere. Objective: SWBAT describe what a mollusk is, the different types of mollusks, examples, and their functions . Warm-Up. What is a mollusk?. What are the 3 types of mollusks?. Phylum Mollusca. Ch. 12 – . Molluscan. Success. Mollusca = “Soft Bodied” (Latin). Phylum Mollusca . ~555 Million Years Ago. Molluscan. Characteristics. Range in size and body shape. Largest . Prepared by : Nada H. Lubbad. Introduction. :. Soft bodied animals.. - . name from Latin word “ mollus” meaning soft.. The second largest phylum.. The scientific study of Mollusks is . . Over 50,000 species. Coelomate. , . Protostomes. , Bilaterally symmetrical. Mostly marine, although some live in fresh water or land.. Generally soft-bodied with a hard shell. However, squid & octopi have internalized, reduced or lost their shells.. Mollusks. Characteristics of Mollusks. These are soft-bodied invertebrates, have bilateral symmetry, and usually 1 or 2 shells. . Most mollusks live in water, but a few live on land.. Examples are: snails, clams, and squid. . General Characteristics of Mollusks. 2nd . largest animal phylum ~100,000species. Extremely . diverse, so why are they all classified under the same phylum?. 1) They all start off as a TROCHOPHORE. This . Characteristics of Mollusks. Mollusks are invertebrates with soft, . unsegmented. bodies that are often protected by a hard outer shell.. They also have a thin layer of tissue called a . mantle. that covers its internal organs.. 27-1 Flatworms. What is a Flatworm?. What are some of the defining features of flatworms?. What is a flatworm?. Flatworms are soft, flattened worms that have tissues and internal organ systems. . They are the simplest animals to have three embryonic germ layers, bilateral symmetry, and .