Question

Difference between oligochaeta and polychaeta

Answer 1

Polychaete: mostly marine segmented worms. well developed head, each segment usually has parapapodia with chaetae, tube-dawelling and free moving. 
Oligochaeta: freshwater, marine, and terrestrial segmented worms such as earthworms, reduced head, no parapodia, chaetae present.

Answer 2

Answer:

The principal distinction among polychaetes and oligochaetes is that the polychaetes have a couple of parapodia in line with frame phase that undergo many bristles. But, oligochaetes have few bristles on their outer floor of the frame however, no parapodia.

Explanation:

Furthermore, polychaetes encompass bristle worms which can be usually marine, even as oligochaetes encompass earthworms which can be aquatic and terrestrial.

Polychaetes and oligochaetes are  subclasses of phylum Annelida. Generally, annelids are segmented worms that stay in marine, aquatic, and terrestrial habitats.  Polychaetes are a subclass of annelids, having many bristles organized in parapodia. They encompass bristle worms which can be dioecious with brief and seasonal gonads. Typically, polychaetes completely stay in marine habitats.

Meanwhile, oligochaetes are every other subclass of annelids, having few bristles however no parapodia. They stay in each terrestrial and aquatic habitats. In evaluation to polychaetes, oligochaetes are earthworms which can be monoecious with everlasting gonads. Therefore, the principle distinction among polychaetes and oligochaetes is the presence of bristles and parapodia and the kind of reproduction.

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