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.

Similar Questions

Which of the following animals has a closed circulatory system?

Which of the following organisms possess a notochord only in the larval stage?

In which of the following,the notochord is replaced by a vertebral column in the adult stage?

In which of the following is the notochord present during the embryonic stage?

Statement-$1$ : Cephalochordata bears notochord all along the body throughout life.
Statement-$2$ : Urochordate bears vertebral column only in tail region throughout the life.
Then which is correct?

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