WebBody Wall 4. Body Cavity 5. Digestive System 6. Respiratory System 7. Excretory System 8. Nervous System 9. Reproductive System 10. Development 11. Affinities. Shape and Size of Rotifers: Rotifers are commonly called as “Wheel animalcules”. The name has derived from Latin words, rota-wheel, ferre – to bear and means ‘wheel-bears’. WebSome live symbiotically with crabs, clams, oysters, shrimp, and barnacles. Some marine flatworms are brilliantly colored (Fig. 3.36 A) while others are drab and blend into the environment (Fig. 3.36 B). ... a body cavity between the digestive tube and the external body wall that is lined ... In the body wall of the annelids are two types of ...
Solved Question 31 5 pts Match the organism to its body - Chegg
http://abacus.bates.edu/acad/depts/biobook/Lab9AniA.pdf WebThe nervous system and organs of sensation. In the nervous system typical of mollusks, a pair of cerebral ganglia (masses of nerve cell bodies) innervate the head, mouth, and associated sense organs. From the dorsal cerebral ganglia, two pairs of longitudinal nerve cords arise: a pair of lateral (pleural) nerve cords, often forming pleural ganglia (which … how to use my notary stamp
Acoelomate - Definition, Examples, Quiz Biology …
Web2. What do the rings on the clam’s shell indicate? 3. Name the clam’s siphons. 4. What holds the two shells together? 5. What muscles open & close the clam? 6. Describe the inside lining of the shell. 7. What is the function of the tooth-like projections at the dorsal edge of the clam’s valves? 8. Where is the mantle located in the clam ... WebNov 23, 2024 · Coelom is a fluid-filled body cavity present between the intestinal tract and the body wall. Coelom consists of the peritoneal cavity present in the abdomen and … WebThe body of a jellyfish exhibits radial symmetry and is divided into three main parts: the umbrella, the oral arms (around the mouth) and the stinging tentacles. They have an internal cavity, in which digestion is carried out. This cavity has a single aperture which functions both the mouth and the anus. organizational structure of nestle lanka