Do bivalves show cephalization? How do bivalves move? Explain your answer. Explain your answer. Are bivalves protostomes or deuterostomes? Do bivalves show cephalization? This phylum is the first phylum to display jointed walking legs and show appendage formation. The bivalves have no head, no radula, and little cephalization, as … Explain your answer. 3. 15. Cnidarian, any member of the phylum Cnidaria (Coelenterata), a group of more than 9,000 species of mostly marine animals. Learn more about cnidarians in this article. ... Incurrent siphon carries water into the clam and the excurrent siphon where water wastes and water Page 5/11. Clams, Oysters, and Scallops are bivalve mollusks and are a familiar food source. 9. Why are they called bivalves? Do bivalves show cephalization? Why are they called bivalves? On the other hand, the Cnidaria display radial symmetry and the Porifera exhibit no symmetry. Explain your answer. Their body cavity is called the _____ cavity. 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 … Adults are usually sessile, but the larva or _____ is free-swimming. 19. Do bivalves show cephalization? Adults are usually sessile, but the larva or _____ is free-swimming. Adults are usually sessile, but the larva or _____ is free-swimming. Are bivalves protostomes or deuterostomes? How can you distinguish a mussel from a clam? Siphons is where where water exits and enters the clam 8. Explain your answer. 3. How do bivalves feed? These three animals pull their shells closed by contracting powerful muscles near the hinge. Grant C. Numerade Educator 02:08. Cephalization. Home » Our Work » how do bivalves move. Give the kingdom, phylum, and class for the clam. 7. They show cephalization because they have a head and are cephalapods. Like all mollusks, clams have a mantle. Do bivalves show cephalization? How can you distinguish a mussel from a clam? d. are free-living. 6. Their body cavity is … Why are they called bivalves? the body of bivalves. Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Clam Dissection Topic The external and internal anatomy 2. and close a bivalves shell? What are siphons & what is their purpose? 7. 10. I forgot how to do it p.. How do I find the X values of "e^x - e^(-x) … Do bivalves show cephalization? Their … What are siphons & what is their purpose? Describe a clam’s circulatory system. 14. Explain your answer. Do bivalves show cephalization? Is their digestive tract complete or incomplete? How can you distinguish a mussel from a clam? 4. Bookmark File PDF Answer Key For The Clam Dissection Questions leaves. Are bivalves protostomes or deuterostomes? Are bivalves protostomes or deuterostomes? The Echinodermata are unique, in that they display bilateral symmetry in their larval stage, and a special form of fivefold radial symmetry, pentamerism in their adult life stage.. Bilaterally symmetrical animals have a dorsal side (top), a ventral side (bottom) and distinct left and right sides. planarian cephalization is developed.. ... Clams are considered to be a bivalve mollusc and are part of the mollusc family. Describe the body of bivalves. Explain your … Continue reading "Clam Dissection Questions" How can you distinguish a mussel from a clam. How can you distinguish a mussel from a clam? 5. The arthropods use tracheids, or book lungs for respiration, these organisms also have a full digestive system and pronounced cephalization. Do bivalves show cephalization? 5. As mollusks develop from a Body organs make up the _____ mass and are protected 5. 11. 11. 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. explain their answer. b. have well-developed reproductive systems. 20. 10. 9. Explain your answer. What are siphons & what is their purpose? 4. 6. 8. Explain your answer. In addition to these three parts, many mollusks show cephalization and have a head region with eyes and other sense organs. 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. 2. Cephalization is the process in animals by which nervous and sensory tissues become concentrated in the "head." 4. 10. The mollusks that have a hinged, two-part shell joined by strong muscles are called bivalves. 21. Explain your answer. 11. 13. What are siphons & what is their purpose? How do bivalves move? 4. Do bivalves show cephalization? 4. Is their digestive tract complete or incomplete? 3. In the simplest sense, cephalization means having a head. Are bivalves monoecious or dioecious? 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 … A clam has an open circulatory system which means that blood is pumped out of the heart and What are siphons and what is their purpose? 6. 11. 8. explain their answer. Are bivalves protostomes or deuterostomes? 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. a. show cephalization. But mussels are cheaper, not to mention—in this writer’s opinion—generally tastier and easier to love.) Explain your answer. Give a benefit and a problem with torsion? Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Start studying Clam dissection questions. 8. ... Incurrent siphon carries water into the clam and the excurrent siphon where water wastes and water leaves. How do you find average speed; Question about blood pressure medicine..10 points!.. Do bivalves show cephalization? 7. Is their digestive tract complete or incomplete? 16. Are bivalves protostomes or deuterostomes? 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. 8. Some bivalves such as scallops are capable of swimming quite energetically into maturity. Members of this class have two-part shells that are hinged and closed by powerful muscles. What is torsion? 6. 6. How can you distinguish a mussel from a clam? Most are motile when young but become sessile such as oysters. Isotopic abundance, percentage; Please help me translate this into less scientific.. 10 POINTS- Quick question? Do bivalves show cephalization? 8. 7. In what two ways do planarian show cephalization? 10. Do bivalves show cephalization? Our Work. Do bivalves show cephalization? 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. Describe the body of bivalves. What are siphons & what is their purpose? 6. Why are they called bivalves? Adults are usually sessile, but the larva or _____ is free-swimming. 12. Cephalization is a characteristic feature of the Bilateria, a large group containing the majority of animal phyla. 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? Adults are usually sessile, but the larva or _____ is free-swimming. Adults are usually sessile, but the larva or _____ is free-swimming. Trocophore 6. Do bivalves show cephalization? why are they called bivalves. 9. What form of courtship do gastropods use? 5. Explain your answer. Their … The group includes corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans. c. have well-developed nervous systems. 7. The presence of shells in this group has yielded an impressive fossil record. Starfish are one of the few groups of animals, along with jellyfish and sponges, that don't show cephalization. Is their digestive tract complete or incomplete? how do bivalves move. List the three layers of a mollusk shell. why are they called bivalves. Cephalization definition is - a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head. Bivalves. How can you distinguish a mussel from a … The class Bivalvia consists of clams, oysters, mussels, and scallops. Not all bivalves are sessile. Do bivalves show cephalization? How do bivalves move? The seventh phylum is phylum arthropoda, this phylum is largely composed of insects. What is the function of a statocyst? RP ... Snails are bivalves, and crayfish are chelicerates. e. are generally microscopic. Do bivalves show cephalization? How do bivalves move? No because they don't have a head 5. 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". 9. How can you distinguish a mussel from a clam? Explain your answer. Explain your answer. 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