Which of these is not a characteristic of echinoderms?

4 ⤊

An Endoskeleton , A thin epedermis , a segemented body?

2007-02-17 13:16:23 · 4 answers · asked by Anonymous in Science & Mathematics ➔ Biology

A segmented body....when they're fully formed, their bodies have a radial symmetry.

2007-02-17 13:24:47 · answer #1 · answered by swilliamrex 3 · 1⤊ 0⤋

An Endoskeleton, They have exoskeleton. Only chordates have endoskeleton like mammals reptiles amphibians and humans.

2007-02-17 22:03:12 · answer #2 · answered by Ém 3 · 1⤊ 1⤋

Echinoderms have an exoskeleton.

2007-02-17 21:20:06 · answer #3 · answered by Amy 4 · 1⤊ 1⤋

segmented body

2007-02-17 21:19:49 · answer #4 · answered by Ellie S 4 · 1⤊ 0⤋