Question

According to the phylogeny tree which phylum of organisms are most closely related to chordates?

Answer 1

enchinodermata (starfish)

Step-by-step explanation:

if youre on plato

Answer 2

I believe the answer is echinodermata
echinodermata and Chordata have a very similar embryonic development; tirhe first opening (the blastopore) becomes the anus, while in protostomes it becomes the mouth and several similarties in the formation of skeleton.
It is predicted that Echinodermata and Chordata evolved from the same ancestor