IGNOU LSE 10 2018 - Discuss the salient features of subphylum urochordata by giving exampl

Question

Discuss the salient features of subphylum urochordata by giving example of its each class.

23 Jan 2018

Answer :

Word Count : 333

Important Features of Subphylum Urochordata:

The subphylum Urochordata constitutes a unique group of animals under the, Phylum Chordata. The members of this subphylum exhibit a high degree of diversity in form, habit and habitat.

1. AII urochordates are marine, sessile (Ascidiacea) or permanently pelagic (Larvacea or thaliacea) forms.

2. The adults are mostly degenerated and un-segmented.

3. The notochord is confined to the tail region in the larval stage. For this characteristic feature, the name of the group is given Urochordata. Other features — a dorsal hollow

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