By Rob Raymond
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All jellyfish are considered a part of the zooplankton family, which means they drift around in the war. Many jellyfish use jet propulsion to travel through the empty space of the water. Another way jellyfish move are by pushing themsleves off of seaweed or rocks. Since the tentacles are long, often travel in deep sea waters and are generally towards the top so they don't get caught on objects.
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Brain coral do not move around a lot. They only move to eat and reproduce. The coral moves at a young age the larvae will move around in the coral and with move when searching for a place to locate. As the coral gets older, it moves less and does not move unless in extreme circumstances.
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Ctenophore use the silia, which are hairlike structures at the edge of its body. These hairlike structures propel and force the ctenophore along its way and can allow them to move at a pretty fast pace. They also move around with their two long tentacles and use the tactic of jet propulsion to move in the water.