PPT-Cephalopods

Cephalopods Tentacles grow from head shell varies throughout the class SUPPORT STRUCTURE Nautilus light chambered shell Squid thin internal shell Cuttlefish thick bonelike structure. The scope of animal protection law 2 The need for protection 3 The assessment of capacity for suffering 4 What types of evidence can show the capacity for pain and suffering 41 Nociception 42 The role of opioid molecules in the regulation of pain 43 Bivalves. Their foot excretes tough threads that attach organisms to rocks in order to prevent waves from washing them away. . Mussels and Oysters do this but mussels attach to rock whereas oysters attach to each other and build reef structures. . . Presentation By:. Brandon . Krulick. , Maria . Woerz. , Victoria Brown, Emily Drake, and Claudia . Toulany. Introduction. Kingdom: Animalia. Phylum: . Molluska. Class: . Cephalopoda. Subclasses: . L. U. S. C. S. . M. O. L. L. U. S. C. S. -. Molluscs. Origin of the word mollusc: . From the Latin word . Mollis. meaning soft. Animals in this phylum include: . Snails, Octopus, Squid, clams, . Level of organization: . By Dr. James Wood and Kelsie Jackson Introduction Previous modules in this section hain the marine environment. Having studied previous modules, the reader will be familiar with how cephalopods view 9/16/2004 11:42 AM By Dr. James Wood and Kelsie Jackson Introduction Cephalopods have often been referred to as the chameleons of the sea. However, members of the cephalopod family (with the except Cephalopods have a powerful parrot like beak and a powerful radula In some of the octopuses the salivary glands are modified poison glands Locomotion Swimming is by means of jet propulsion and is a Objective:. I will be able to review and prepare for the marine science final.. Agenda:. Marine Science Final Review Packet. Homework:. None . . Monday, April 17. th. . Pg. 118 RTW: Which animal phylum do you think has the most species?. 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. . Cephalopods . (ii). Belongs to phyla called . mollusca. . cephalo poda. =. head foot. . Octopus, squid, cuttlefish . Phyla . About 800 classified species. 11,000 extinct species . Found in all oceans of earth. Mollusca. The . Chitons. , Gastropods, Bivalves and Cephalopods. The . molluscs. are a diverse group of soft bodied invertebrates. Some varieties of . molluscs. produce an external shell (“test” or “valve”)made of calcium carbonate. Mollusks include: . Clams. Snails. Scallops. Mussels. Oysters. Squid. . Octopus . Nautilus. CLICK MED. Mollusks have the following characteristics:. Soft, . bilateral. symmetry. DEPT OF HMCT. INTRODUCTION. Fish are aquatic vertebrates with fins for swimming and gills for breathing.. Fish is a high protein food, supplying on an average a little more than 5 gm of protein/ edible ounce (1oz= 25 gm). .. Mollusks with two shells are referred to as . Bivalves. Bivalves. Two shells of a bivalve are hinged together at one end and are kept closed by a short, tough . ADDUCTOR MUSCLE.. Clams, oysters, and mussels have two adductor muscles..