Sea Urchin Facts A Marine Vacuum Cleaner Animal Fact Files Youtube A sea urchin may be called the hedgehog of the ocean, but not all sea urchins are this spiked! sea urchins are marine vacuum cleaners they'll eat (suck up). Here's the sea urchin 101. everything you need to know about these spiky echinoderms. sea urchins (echinoidea, regular urchins, porcupines of the sea). sea u.
Facts The Sea Urchin Youtube On this episode of animal fact files discover some animals that look like flowers and live on the bottom of the ocean. animal fact files patreon supporters. Learn more about these interesting animals, with these 40 sea urchin facts. 01 modern science is aware of the existence of about an estimated 950 species of sea urchins in the world. 02 sea urchins live up to a depth of 5 kilometers under the sea. 03 most sea urchins measure around 7 centimeters across. Sea urchins have a unique reproductive system in which the eggs and sperm are released into the water, and fertilization occurs externally. 4) sea urchins have a unique way of eating. sea urchins use their tube feet to move, cling to surfaces, and capture food. they are also used for gas exchange and excretion. Sea urchins mainly graze on algae and undersea vegetation, such as kelp. they have also been known to feed on sponges, sea stars, mussels, sea cucumbers, carrion, and polychaete worms. sea urchins feed by grabbing and biting with their five teeth. their mouths are found on the underside of their bodies.
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