Question

what is notochord what is it's functions​

Answer 1

definition:

The notochord is the defining structure of the chordates, and has essential roles in vertebrate development.

function :

It serves as a source of midline signals that pattern surrounding tissues and as a major skeletal element of the developing embryo.

It allows for hydrodynamic motion through water and creates a rigid structure to leverage muscles against. Insects have their exoskeletons for this purpose.

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