What are the salient features exhibited by polychaetes?
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the polychaeta , also know as the bristle worms or polychaetes, are a paraphyletic class of annelied worms, generally marine. each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called chaetae, which are made of chitin.
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the polychaeta , also know as the bristle worms or polychaetes, are a paraphyletic class of annelied worms, generally marine. each body segment has a pair of fleshy protrusions called parapodia that bear many bristles, called chaetae, which are made of chitin.
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Answer:
Polychaetes are marine annelids with parapodia bearing various setae in particular fascicles and are commonly called as bristle worms.
The following are the salient feature exhibited by Polychaetes:
- They are dioecious and multi-portioned.
- They possess separate sexes.
- Fertilization is external.
- It exhibits metamerism and segmentation.
- It possess closed vascular system.
- It has chain type of nervous system.
- The gametes created in a couple of specific portions are shed into the coeloem and leave the body through the nephridia.
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