What are the Chordates and non-chordates?

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Question

(A) $\rightarrow$ The notochord is a mesodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals.$\

Vedclass · Accepted Answer

Animals with a notochord are chordates; those without are non-chordates.

Vedclass · Answer

(A) $\rightarrow$ The notochord is a mesodermally derived rod-like structure formed on the dorsal side during embryonic development in some animals.$\rightarrow$ Animals that possess a notochord at any stage of their life cycle are classified as chordates.$\rightarrow$ Animals that do not form this structure are classified as non-chordates,which include phyla from Porifera to Echinodermata.

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