Invertebrates develop as either protostomes or deuterostomes. During development, a protostome's first opening is its mouth. Deuterostomes, on the other hand, have their anus as their first opening during development.
No. echinoderms have no exoskeleton.Related Information:Echinoderms are deuterostomes, a group belonging to the Phylum, Chordata but separate from the vertebrates, also of this phylum. While there is a close relationship between the echinoderms and the vertebrates, echinoderms are endoskeletal invertebrates.
no,deuterostomes only develop their nus fist.
deuterostomes
Deuterostomes
protostomes
Deuterstomes
organisms with a complete gut
deuterostomes
Our close relative phylum are the echinoderms because they are also deuterostomes.
Deuterostomes. All chordates such as birds and mammals are deuterosomes.
They are the only non-chordates that are also deuterostomes like vertebraes