What do vertebrates have in common?
| December 29, 2020 | education
Common to all vertebrates is the presence of a notochord. The chord is a “dorsal string” that can be present in vertebrates (chordates) at various stages of development. For example: the subtype tunicates have notochords only at the larval stage, but in the lower chordates the notochord persists throughout its life and performs a supporting function. Chordata are present only during embryonic development in most chordates, then it is replaced by the spine.
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