Bookmark File PDF Answer Key For The Clam Dissection Questions leaves. The presence of shells in this group has yielded an impressive fossil record. Learn more about cnidarians in this article. Body organs make up the _____ mass and are protected Explain your answer. How can you distinguish a mussel from a clam? Give the kingdom, phylum, and class for the clam. Is their digestive tract complete or incomplete? 11. 7. Their … Do bivalves show cephalization? 4. Their body cavity is called the _____ cavity. a. show cephalization. What is torsion? 4. Explain your answer. 6. Are bivalves protostomes or deuterostomes? Are bivalves monoecious or dioecious? What form of courtship do gastropods use? Explain your … Continue reading "Clam Dissection Questions" Clam Dissection Questions - BIOLOGY JUNCTION Clam Dissection Topic The external and internal anatomy How can you distinguish a mussel from a clam? 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 why are they called bivalves. Explain your answer. Adults are usually sessile, but the larva or _____ is free-swimming. b. have well-developed reproductive systems. How do bivalves move? Are bivalves protostomes or deuterostomes? 2. the body of bivalves. Explain your answer. Their … How do you find average speed; Question about blood pressure medicine..10 points!.. 3. 9. Siphons is where where water exits and enters the clam 8. What are siphons & what is their purpose? 6. How do bivalves feed? 8. 4. Cnidarian, any member of the phylum Cnidaria (Coelenterata), a group of more than 9,000 species of mostly marine animals. The class Bivalvia consists of clams, oysters, mussels, and scallops. In addition to these three parts, many mollusks show cephalization and have a head region with eyes and other sense organs. In the simplest sense, cephalization means having a head. and close a bivalves shell? explain their answer. explain their answer. 7. Explain your answer. 7. The group includes corals, hydras, jellyfish, Portuguese men-of-war, sea anemones, sea pens, sea whips, and sea fans. how do bivalves move. What are siphons and what is their purpose? What are siphons & what is their purpose? They show cephalization because they have a head and are cephalapods. Are bivalves protostomes or deuterostomes? Do bivalves show cephalization? 9. 7. 9. 6. 12. Cephalization. Why are they called bivalves? 10. 5. 5. Do bivalves show cephalization? The mollusks that have a hinged, two-part shell joined by strong muscles are called bivalves. How can you distinguish a mussel from a clam? In zoology, cephalization is the evolutionary trend toward concentrating nervous tissue, the mouth, and sense organs toward the front end of an animal. Like all mollusks, clams have a mantle. 11. 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". Their body cavity is … How do bivalves move? Describe a clam’s circulatory system. Explain your answer. 8. Are bivalves protostomes or deuterostomes? 9. How can you distinguish a mussel from a clam? Our Work. Why are they called bivalves? Why are they called bivalves? 6. Do bivalves show cephalization? The seventh phylum is phylum arthropoda, this phylum is largely composed of insects. 21. 8. ... Incurrent siphon carries water into the clam and the excurrent siphon where water wastes and water leaves. What are siphons & what is their purpose? Some bivalves such as scallops are capable of swimming quite energetically into maturity. Explain your answer. How do bivalves move? 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. 10. Do bivalves show cephalization? Explain your answer. 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. What are siphons & what is their purpose? 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. Cephalization is the process in animals by which nervous and sensory tissues become concentrated in the "head." c. have well-developed nervous systems. 4. Are bivalves protostomes or deuterostomes? e. are generally microscopic. Is their digestive tract complete or incomplete? How do bivalves move? 5. Trocophore 6. 6. Are bivalves protostomes or deuterostomes? Do bivalves show cephalization? Grant C. Numerade Educator 02:08. Cephalization definition is - a tendency in the evolution of organisms to concentrate the sensory and neural organs in an anterior head. 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. 3. Explain your answer. Do bivalves show cephalization? 3. Adults are usually sessile, but the larva or _____ is free-swimming. Give a benefit and a problem with torsion? 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. Describe the body of bivalves. 6. How do bivalves move? Explain your … Continue reading "Clam Dissection Questions" Is their digestive tract complete or incomplete? why are they called bivalves. Do bivalves show cephalization? 16. 14. This phylum is the first phylum to display jointed walking legs and show appendage formation. Do bivalves show cephalization? Home » Our Work » how do bivalves move. Explain your answer. Isotopic abundance, percentage; Please help me translate this into less scientific.. 10 POINTS- Quick question? Adults are usually sessile, but the larva or _____ is free-swimming. On the other hand, the Cnidaria display radial symmetry and the Porifera exhibit no symmetry. 7. Do bivalves show cephalization? Describe the body of bivalves. The bivalves have no head, no radula, and little cephalization, as … Explain your answer. Adults are usually sessile, but the larva or _____ is free-swimming. Explain your answer. In what two ways do planarian show cephalization? Is their digestive tract complete or incomplete? 5. 11. Cephalization is a characteristic feature of the Bilateria, a large group containing the majority of animal phyla. planarian cephalization is developed.. ... Clams are considered to be a bivalve mollusc and are part of the mollusc family. 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.