Answer:
In explanation.
Step-by-step explanation:
-Significant of hemichordates.
The hemichordates are perhaps most important to humans for the information they can provide about the origin of chordates, deuterostomes, and bilateral animals.}
-Evolutionary significance of hemichordates.
Hemichordates are a deuterostome phylum, the sister group to echinoderms, and closely related to chordates. They have thus been used to gain insights into the origins of deuterostome and chordate body plans.
-Hope this helps.