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Marine Biology 9th Edition by Michael Huber,Peter Castro
Edition 9ISBN: 978-0073524207Marine Biology 9th Edition by Michael Huber,Peter Castro
Edition 9ISBN: 978-0073524207 Exercise 3
A new class of echinoderms, the sea daisies, or concentricycloids, was discovered in 1986. They are deep-water animals living on sunken wood. They are flat and round, looking very much like a small sea star without arms. They also lack a gut. Without ever having seen them, why do you think they were classified as echinoderms, not as members of a new phylum? Do you have any hypotheses as to how they feed or move around?
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Marine organisms were the earliest form ...
Marine Biology 9th Edition by Michael Huber,Peter Castro
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