Astalked, sessile marine organism has several feathery feeding structures surrounding an opening through which food enters. the organism could potentially be a cnidarian, a lophophorate, a tube-dwelling worm, a crustacean, or an echinoderm. which of the following traits, if found in this organism, would allow the greatest certainty of identification?
select one: a. a nervous systemb. the presence of what seems to be radial symmetryc. a digestive system with mouth and anus separate from each otherd. a hard covering made partly of calcium carbonatee. a water vascular system
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Astalked, sessile marine organism has several feathery feeding structures surrounding an opening thr...
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