How Do Echinoderms Breathe?


On the ventral side of an echinoderm (say, a sea star, for example) there are hundreds of tiny feet arranged into rows on each appendage. These are called tube feet. By varying the internal water pressure, the echinoderm can extend and contract its tube feet for locomotion, food collection, and respiration.
Q&A Related to "How Do Echinoderms Breathe"
they just survive.
Gills. Sharks are fish, and virtually all fish breathe through the use of gills. These are the collection of slit-like openings on the sides of fish, located behind the head. Behind
Echinoderms have gills on the surface of their skin for gas exchange.
1 Sit in one of the following positions: Lie on the back with knees bent. Sit erect on a chair, forward enough so genitals are off the chair. Keep your head, neck, and spine in one
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