Question

explain hemichordata..

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Answer 1

Answer:

Hemichordata /ˌhɛmikɔːrˈdeɪtə/ is a phylum of marine deuterostome animals, generally considered the sister group of the echinoderms. They appear in the Lower or Middle Cambrian and include two main classes: Enteropneusta (acorn worms), and Pterobranchia. ... Acorn worms are solitary worm-shaped organisms.

Answer 2

Answer:

Here is your answer ⬇️

Explanation:

The term Hemichordata—from the Greek hemi, meaning “half,” and chorde, meaning “string,” thus, “half-chordate”—was first proposed because the buccal diverticulum, a tubular outgrowth from the mouth cavity forward into the proboscis, or “snout,” resembled a rudimentary notochord—the dorsal, or back-side, supporting axis ...

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