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sea urchins are species which belongs to phylum echinordermata, class ecinoidia.
Normally every echinodermates has water vascular system. And sea urchin, yes it is. It has water vascular system.
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∙ 12y ago
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What is water vascular system and its general structure and function?
The water vascular system is a hydraulic system used by echinoderms, such as starfish and sea urchins, for locomotion, food and waste transportation, and respiration.
Who has a water vascular system?
Phylum Echinodermata, which includes starfish, sea urchins, sea cucumbers, sand dollars. It is used to operate the tube feet for locomotion.
What are unique feature of Echinoderms?
They have radial symmetryThey have internal calcareous skeletonThey are often covered with spines (sea urchins, etc)
What are the main characteristics and groups of echinoderms?
Echinoderms are invertebrates with an internal skeleton and a system of fluid-filled tubes called a water vascular system. There are four major groups of echinoderms: sea stars, brittle stars, sea urchins, and sea cucumbers.
Why do starfish filter the sea water?
Through there Water Vascular System
What animal has tube feet?
tube feet are most common in echinoderms. this is a phylum which includes animals such as sea stars and sea urchins. echinoderms control much of the movement of their tube feet using their water vascular system.
What is the habitat of sea urchins?
Water.
How do sea urchins behave?
Sea urchins move using their tube feet and spines on the underside of their body. they use their water vascular system. THis is where they pump water into their feet and when they touch the ground the water gets pushed out. This uses a lot of energy but only works slowly.
How is braking system of a car similar to the water vascular system of A sea star?
They both use the hydraulic system!
How is the braking system of a car similar to water vascular system of a sea star?
They both use the hydraulic system!
How is the braking system of a car similar to the water vascular system of a sea star?
They both use the hydraulic system!
How many sea urchins are in a square yard?
there are none because sea urchins live in water and not on land unless they are dead
