Question

why few organisms are named as echinodermata​

Answer 1

Answer:

Echinodermata are so named owing to their spiny skin (from the Greek “echinos” meaning “spiny” and “dermos” meaning “skin”), and this phylum is a collection of about 7,000 described living species. ... To date, no freshwater or terrestrial echinoderms are known. Figure 1. This diagram shows the anatomy of a sea star.

Answer 2

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'-Echinodermata are so named owing to their spiny skin (from the Greek “echinos” meaning “spiny” and “dermos” meaning “skin”), and this phylum is a collection of about 7,000 described living species. ... To date, no freshwater or terrestrial echinoderms are known. ......

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