PPT-Mollusks

Kingdom Animalia Phylum Mollusca Class Gastropoda Class Bivalvia Class Cephlapoda Mollusks 50000 species 10 classes Includes Squid Octopus Clams Conches Snails Sea slugs. 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 Global location’s. In the world there are Coral Reefs in. Southeast . Asia . The . Pacific including . Australia.. And in the . Atlantic and . Caribbean. Temperature and . Precipitation . ranges. . The . mollusks. are invertebrate animals known as . Mollusca. . . There are more than 150,000 species within this phylum.. Types of Molluscs. snails . clams . squid . cuttlefish . octopus which are among the most neurologically-advanced invertebrates. Welcome to Discovery Education Player. Characteristics of flatworms. Soft, flattened worms with tissues and internal organ system. Simplest animals to have three embryonic germ layers. Bilateral symmetry . 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.. When Carl Linnaeus first created his method for organizing animals, he had just two families of invertebrates:. . Insecta. (insects) and . Vermes. (worms).. Since that time, scientists have found more invertebrates and have created more classifications. We will talk about six main categories or families of invertebrates.. Tough Softies!. Kingdom: . Animalia. Phylum: . Mollusca. . (Mollusks). Class: . Bivalvia. . (Bivalves). Class: . Cephalopoda. . (Cephalopods) . Class: . Gastroboda. . (Gastropods). Mollusca. is the second most diverse (second most number of species) phylum in the animal kingdom!. Lesson 3: How do we classify invertebrates?. Opening Activity. ·. Open Science textbook to page 18.. ·Open Science Workbook to page 5A to review home learning.. ·Open Science folder to review vocabulary words and outline for the chapter.. Phylum Mollusca. 2. Phylum Mollusca. Polyplacophora. Gastropoda. Bivalvia. Scaphopoda. Cephalopoda. Phylum Mollusca. 3. Molluscs. Have adapted to a wide variety of habitats. Terrestrial, marine, benthic, and accomplished swimmers.. 27-1 Mollusks. I. What is a Mollusk?. A. Phylum Mollusca Origin: from Latin . Molluscus. = soft. B. Contains animals that look and act very differently from each other. C. Mollusks: Soft-bodied animal that have an internal or external shell. 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. . Phylum Mollusca. Includes . snails and slugs, oysters and clams, and octopuses and squids. .. Bivalves. Nautilus. Soft-bodied. invertebrate. Covered with protective . mantle. that may or may not form a hard, . 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..