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. . ENGN/BIOL 267, Fall 2013. http://symbiol.blogspot.com/. Master of Camouflage. Where’s Waldo…err, the octopus?. Cuttlefish Camouflage. How does it do it?. If you are an octopus (or squid, or whatever cephalopod), what “equipment” do you need to pull off the color changes?. 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 Carly Smolensky. Science: Birds. Grade 2. Click here to go to lesson!. Emperor Penguin. Macaroni Penguin. African Penguin . Chinstrap Penguin. Little Penguin . Yellow-eyed Penguin. Adelie Penguin. Galapagos Penguin. ENGN/BIOL 267. http://symbiol.blogspot.com/. Where’s Waldo…err, the octopus?. Cuttlefish Camouflage. How does it do it?. If you are an octopus (or squid, or whatever cephalopod), what “equipment” do you need to pull off the color changes?. 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. . The term . m. ollusc. . means “soft.” A . mollusc . is a diverse animal and is a member of the phylum Mollusca group. Around eighty five thousand species of molluscs have been recognized. Molluscs reproduce sexually. Slugs and snails mate to fertilize eggs. Aquatic molluscs lay eggs that hatch into small free-swimming larvae. Many molluscs have hard external shells which they use for protection. Molluscs range in size and are usually found in marine habitats, but a few . Bilaterally symmetrical (Bilaterally asymmetrical in some). Unsegmented. Usually has a definite head (. cephalized. ). Protostomes/. Spiral Cleavage. Coelom mainly a heart cavity. Characteristics of Phylum Mollusca. 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).