What is the characteristic that makes echinoderms evolutionarily related to chordates?

by Tony
(Canada)

Echinoderms are invertebrates. Chordates are the vertebrates. One embryologic characteristic of echinoderms makes them different from other invertebrates. What is that characteristic?

Answers for What is the characteristic that makes echinoderms evolutionarily related to chordates?

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Relationship btwn echinoderms and chordates
by: Anonymous

Chordates and echinoderms are deuterostomes, during their embryonic development the blastopore becomes the anus.

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