Question

What is a notochord of phylum chordata?

Answer 1

A notochord is a flexible rod made out of tissue material similar to cartilage surrounding the central neural tube of the nervous system of the animal. Having a notochord (the evolutionary and now, also embryonic, precursor to the skeletal spine) at any stage in development is the defining characteristic or chordate animals.



So if, at any stage in its life development, an animal has a notochord, it belongs in the phylum Chordata.

Answer 2

Answer:

Explanation:

The main difference between notochord and nerve cord is that notochord belongs to the skeleton whereas nerve cord belongs to the central nervous system of chordates. Notochord occurs between the nerve cord and the central nervous system. ... Notochord provides sites for the attachment of the skeletal muscles