Question

what are the habitats of hemichordata

Answer 1

Hemichordata is a unique phylum of marine invertebrates found in a wide range of depths and habitats. Two distinctly different body plans exist in this phylum: the large, solitary acorn worms (Class Enteropneusta), and the filter-feeding colonies of the class Pterobranchia

Answer 2

1. They are marine deutrostome animals.

2.  Their body is divided into three regions: proboscis,  collar, and trunk.

3. Coelom is also divided into three cavities

4. They have ciliated pharyngeal slits

5. They have open circulatory system

6. They have complete digestive tract

7. In some cases, dorsal tubular nerve cord is present.


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