Question

what is protochordata all information?​

Answer 1

Answer:

Hemichordata 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, and Pterobranchia.

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Answer 2

• Protochordates are generally marine animals.
• The organisms belonging to this group are bilaterally symmetrical.
• The organisms belonging to this group are bilaterally symmetrical.They are triploblastic and have a coelom.
• The organisms belonging to this group are bilaterally symmetrical.They are triploblastic and have a coelom.They have a long rod-like support structure called notochord at certain stages during their lives.
• The notochord is a runs along the back of the animal and separates the nervous tissue from the gut that gives a place for the muscles to attach for an easy and comfortable movement.

• Examples of organisms belonging to this group are Balanoglossus, Herdmania and Amphioxus

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