Question

Affinities of echinodrrmat

Answer 1

What are the affinities of echinodermata?

● Affinities of echinodermata - Echinoderms show affinities with Annelida, Brachiopoda & Chordata.

# Affinities with Annelida - Ciliated bands.

# Affinities with Brachiopoda - Coeblastula is seen. Holoblastic cleavage. ...

# Affinities with Chordata - Skeletal system mesodermal origin.

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