1. The muscular and water vascular system are responsible for movement in … • Body consist of equal segments, each containing a duplicate of various internal organs. 3. In a starfish like mentioned, a central nerve ring presently lines the esophagus which sends radial nerves into each of the arms, often parallel with the branches of the water vascular system. This feature is a hydraulic system that moves the tube feet of the sea star. I am a member of the phylum Echinodermata. The Water Vascular System (continued)
The water Vascular System, which is filled with fluid, carries out many essential body functions in echinoderms
Among these functions are respiration, circulation, and movement
The Madreporite is the opening to the outside
6. Tube feet (podia) participate in locomotion, gas … Adults with pentaradial symmetry, frequently with central disc and 5 (or more) radiating arms or rays. Water-vascular system used in locomotion, attachment, &/or feeding. Special Note: • The larval forms are bilaterally symmetrical. PHYLUM ECHINODERMATA Echinoderms: Sea stars, brittle stars, feather stars, sea cucumbers, sea urchins. Water Vascular System. Water Vascular System 9. 3. One of the characteristics that define not only the sunflower sea star, but echinoderms as a whole, is the water vascular system. Slideshare uses cookies to improve functionality and performance, and to provide you with relevant advertising. This system is modified in different ways in the members belonging to different classes of phylum echinodermata. Echinoderm means “spiny skin” but don’t… Madreporite 2.Stone Canal 3.Ring Canal 4.Polian Vesicles 5.Tiedmann’s Bodies 6.Radial Canals 7.Lateral or Podial Canals 8. The water vascular system is a unique and defining characteristic of echinoderms. Three animals associated with this phylum are starfish, sea urchins, and sea cucumbers. 2. 2. It is a vital part of the system and exhibits control over the hundreds to thousands of tube feet that live in the ambulacral grooves. The two muscles involved in tube feet are ampulla and podia which both are circular suction cups that allow for Echinodermata movement. My name: Selena Starfish My phylum: Echinoderm My name is Selena Starfish. They have well-developed organ systems which are ecologically and geologically very important. The following points highlight the eight different structures of water vascular system in Asterias. CHARACTERISTICS • Radial symmetry • Several arms (5 or more, mostly grouped 2 left- 1 middle- 2 right) radiating from a central body. Calcareous endoskeleton, often bearing visable spines. Echinoderms are unique shaped colorful organisms. he water vascular system is a modified part of the coelom. WATER VASCULAR SYSTEM-AMBULACRAL SYSTEM IN DIFFERENT ECHINO­DERMS . The Water Vascular System
5. The ring nerves and radial nerves coordinate the sea star's balance and directional systems. Asteroidea refers to. The water vascular system of echinoderms ___ is analogous to the gastrovascular cavity of flatworms functions as a circulatory system that distributes nutrients to body cells functions in locomotion and feeding is bilateral in organization, even though the adult animal is not bilaterally symmetrical It is otherwise called the ambulacral system. The structures are: 1. General Characteristics: 1. The water vascular system is the very important key feature of echinoderms through which circulation of nutrients, gaseous … The Water Vascular System (continued)
The water Vascular System, which is filled with fluid, carries out many essential body functions in echinoderms
Among these functions are respiration, circulation, and movement
The Madreporite is the opening to the outside

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