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Reil [10]
3 years ago
9

3

Biology
1 answer:
Anestetic [448]3 years ago
4 0

Answer:

B or C

Explanation:

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You learned that members of this class were formerly divided into two groups: Errantia and Sedentaria.
Nataly [62]
<h2>Polychaetes </h2>

Explanation:

  • Polychaetes is any of the diverse, mostly marine segmented worms of the annelid class Polychaeta, characterized by having most segments with one pair of lateral, fleshy, lobe like appendages called parapodia, with numerous bristles projecting from them
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  • Polychaeta is divided into Errantia and Sedentaria for convenience
  • Errantia (scaleworms, sea mice):A subclass of polychaete worms which have a large number of body segments, those of the head and posterior differing from the rest,the mouth often has several paired jaws
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  • Sedentaria (bamboo worms, coneworms):A subclass of entirely marine worms in which the body segments and parapodia differ along the length of an individual,all Sedentaria are burrowers or tube-dwellers and are first recorded from the Ordovician

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