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