Where do I place echinodermata on the phylogenetic tree​

QUESTION:

where do I place Echinodermata on the phylogenetic tree​?

ANSWER:

Echinoderms include starfish, sea urchins, sand dollars, and feather stars. Echinoderms are found in many different ocean environments, but most are found in reefs.

Explanation:

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bc blah

explanation:

bc blah