PPT-Mollusks and Annelids

Chapter 35 Examples with Scientific Names Scientific Name Common Name Mollusks Athleta toumeyi Fossil Gastropod Caprinuloidea perfecta . 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.. Unit 4. Mollusk Introduction. Phylum Mollusca . Molluscus. . = . soft. Soft-bodied animals that usually have an . internal. or . external . shell.. Includes . snails. , slugs, clams, . squids. , and octopi. 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!. 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?. 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. 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.. Week . 6 . Discussion. Overview of Protostomes. Most diverse and abundant animals on Earth. 22/30 animal phyla are protostomes. Arthropods (insects, crustaceans). Mollusks (snails, claims, squid). Annelids (earthworms, leeches). 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. . (frog). Neurulation animation. (human). Phylum . Chordata. Subphylum . Urochordata. (. Tunicata. ). Subphylum . Cephalochordata. “. Craniata. ” group. Subphylum Vertebrata. Superclass . Agnatha. 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, . Molluscs. BSC 2011L. Phylum Annelida. Segmented worms. Circular and longitudinal muscles work against fluid filled . coelom. to produce changes in width and length. Digestion – complete. Circluation. Aquatic Mollusks. Video: Monster Inside Me, Snail: . http://www.animalplanet.com/tv-shows/monsters-inside-me/. Mollusks, Generally. “Mollusk” means soft. They are soft bodied animals with an internal .