Question

the covering of the Urochordates is made up of a substance called ​

Answer 1

Answer:

Urochordata (Tunicata) A subphylum of marine nonvertebrate chordates in which the body is typically enclosed in a protective tunic of a cellulose-like material and the notochord and dorsal hollow nerve cord are evident only in the free-swimming tadpole-like larval stage.

Explanation:

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Answer 2

Explanation:

cellulose is the correct answer

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