Question

why are cephalochordates and chordates classified as chordates​

Answer 1

Answer:

$\huge\boxed{\texttt{\fcolorbox{red}{aqua}{Answer:-}}}$

Larval tunicates (Urochordata) posses all four structures that classify chordates, but adult tunicates retain only pharyngeal slits. ... Lancelets (Cephalochordata) are marine organisms that possess all features of chordates; they are named Cephalochordata because the notochord extends into the head.

Hope it helps ❤

Answer 2

Please mark me Birlianist.

I hope it is help you.

The nerve cord found in most chordate embryos develops into the brain and spinal cord chordates , other animal phyla are characterized by solid nerve cords that are located either ventrally or laterally.

Cephalochordates are the closest living relatives of the vertebrates and The group derives its name from the notochord.