What are siphons & what is their purpose? Do bivalves show cephalization? Give a benefit and a problem with torsion? 6. How do bivalves move? The presence of shells in this group has yielded an impressive fossil record. 11. 7. Their … How can you distinguish a mussel from a clam? Do bivalves show cephalization? Cephalization is the process in animals by which nervous and sensory tissues become concentrated in the "head." Clams, Oysters, and Scallops are bivalve mollusks and are a familiar food source. Do bivalves show cephalization? Is their digestive tract complete or incomplete? why are they called bivalves. As for the original question I would say very likely not, they can respond to stimulus but their response probably would not be characterized as "feeling pain". Explain your answer. Adults are usually sessile, but the larva or _____ is free-swimming. What are siphons & what is their purpose? c. have well-developed nervous systems. 16. Do bivalves show cephalization? How do bivalves move? Members of this class have two-part shells that are hinged and closed by powerful muscles. But mussels are cheaper, not to mention—in this writer’s opinion—generally tastier and easier to love.) 6. On the other hand, the Cnidaria display radial symmetry and the Porifera exhibit no symmetry. 8. How can you distinguish a mussel from a … 7. Explain your answer. This phylum is the first phylum to display jointed walking legs and show appendage formation. Do bivalves show cephalization? 5. Adults are usually sessile, but the larva or _____ is free-swimming. In addition to these three parts, many mollusks show cephalization and have a head region with eyes and other sense organs. 4. Do bivalves show cephalization? Explain your answer. explain their answer. 20. Do bivalves show cephalization? Like all mollusks, clams have a mantle. 6. 4. What is torsion? how do bivalves move. Cephalization definition is - a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head. What are siphons and what is their purpose? 4. 8. What are siphons & what is their purpose? ... Incurrent siphon carries water into the clam and the excurrent siphon where water wastes and water leaves. Describe a clam’s circulatory system. Not all bivalves are sessile. 15. What are siphons & what is their purpose? Explain your answer. Explain your answer. Explain your answer. Adults are usually sessile, but the larva or _____ is free-swimming. Explain your answer. How can you distinguish a mussel from a clam? 9. Trocophore 6. How can you distinguish a mussel from a clam? Some bivalves such as scallops are capable of swimming quite energetically into maturity. Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Clam Dissection Introduction The phylum Mollusca includes snails, clams, chitons, slugs, limpets, octopi, and squid. What are siphons & what is their purpose? The class Bivalvia consists of clams, oysters, mussels, and scallops. ... Incurrent siphon carries water into the clam and the excurrent siphon where water wastes and water Page 5/11. and close a bivalves shell? Do bivalves show cephalization? a. show cephalization. Cephalization is a characteristic feature of the Bilateria, a large group containing the majority of animal phyla. Adults are usually sessile, but the larva or _____ is free-swimming. 9. Explain your answer. 2. 6. Our Work. 5. 13. Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Clam Dissection Topic The external and internal anatomy No because they don't have a head 5. Why are they called bivalves? Their body cavity is called the _____ cavity. Adults are usually sessile, but the larva or _____ is free-swimming. Their body cavity is … 12. Are bivalves protostomes or deuterostomes? In what two ways do planarian show cephalization? 3. Explain your answer. Animals II: The Protostomes and Deuterostomes - Unit 19. segments that are fused together; regional formation of body parts that are specialized and highly adaptive; tagmata are involved in locomotion (thorax), sensation and feeding (head), or visceral activities of … Explain your answer. How do you find average speed; Question about blood pressure medicine..10 points!.. 10. Explain your … Continue reading "Clam Dissection Questions" Do bivalves show cephalization? explain their answer. 10. In zoology, cephalization is the evolutionary trend toward concentrating nervous tissue, the mouth, and sense organs toward the front end of an animal. Cephalization. Is their digestive tract complete or incomplete? 8. The division of the body into distinct areas seems to have allowed diversification to occur because there are many different types of mollusks adapted to various ways of life. Home » Our Work » how do bivalves move. Is their digestive tract complete or incomplete? 11. Do bivalves show cephalization? Their … How can you distinguish a mussel from a clam? These three animals pull their shells closed by contracting powerful muscles near the hinge. Describe the body of bivalves. Give the kingdom, phylum, and class for the clam. b. have well-developed reproductive systems. Answer: Cephalization is the concentration of sense organs, nervous control, etc., at the anterior end of the body, forming a head and brain, both during evolution and … Explain your answer. I forgot how to do it p.. How do I find the X values of "e^x - e^(-x) … Do bivalves show cephalization? How do bivalves move? Why are they called bivalves? How do bivalves move? 10. How do bivalves feed? Why are they called bivalves? Body organs make up the _____ mass and are protected Is their digestive tract complete or incomplete? 3. Siphons is where where water exits and enters the clam 8. Isotopic abundance, percentage; Please help me translate this into less scientific.. 10 POINTS- Quick question? Fully cephalized organisms have a head and brain, while less cephalized animals display one or more regions of nervous tissue.Cephalization is associated with bilateral symmetry and movement with the head facing forward. Bivalves. e. are generally microscopic. 9. What is the function of a statocyst? How do bivalves move? What form of courtship do gastropods use? 11. 3. A clam has an open circulatory system which means that blood is pumped out of the heart and 19. Are bivalves monoecious or dioecious? The arthropods use tracheids, or book lungs for respiration, these organisms also have a full digestive system and pronounced cephalization. Do bivalves show cephalization? Learn more about cnidarians in this article. Are bivalves protostomes or deuterostomes? They show cephalization because they have a head and are cephalapods. These have the ability to move, using muscles, and a body plan with a front end that encounters stimuli first as the animal moves forwards, and accordingly has evolved to contain many of the body's sense organs, able to detect light, chemicals, and often sound. As mollusks develop from a 10. 14. d. are free-living. why are they called bivalves. Are bivalves protostomes or deuterostomes? How can you distinguish a mussel from a clam? Explain your answer. 5. Adults are usually sessile, but the larva or _____ is free-swimming. the body of bivalves. Do bivalves show cephalization? Explain your answer. The bivalves have no head, no radula, and little cephalization, as … Bookmark File PDF Answer Key For The Clam Dissection Questions leaves. What are siphons & what is their purpose? 5. Starfish are one of the few groups of animals, along with jellyfish and sponges, that don't show cephalization. Grant C. Numerade Educator 02:08. The mollusks that have a hinged, two-part shell joined by strong muscles are called bivalves. Are bivalves protostomes or deuterostomes? Describe the body of bivalves. In the simplest sense, cephalization means having a head. The group includes corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans. Why are they called bivalves? Are bivalves protostomes or deuterostomes? 7. RP ... Snails are bivalves, and crayfish are chelicerates. 21. Do bivalves show cephalization? Adults are usually sessile, but the larva or _____ is free-swimming. 8. 0000087280 00000 n 0000009544 00000 n Although cephalization is associated primarily with bilaterally symmetrical species, even some of the more primitive, radially symmetrical animals show some degree of cephalization. 7. Cnidarian, any member of the phylum Cnidaria (Coelenterata), a group of more than 9,000 species of mostly marine animals. List the three layers of a mollusk shell. Do bivalves show cephalization? Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Clams are soft-bodied animals whose internal organs are protected by two shells. Are bivalves protostomes or deuterostomes? planarian cephalization is developed.. ... Clams are considered to be a bivalve mollusc and are part of the mollusc family. 6. 4. Most are motile when young but become sessile such as oysters. Do bivalves show cephalization? Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Start studying Clam dissection questions. 7. What are siphons & what is their purpose? 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