-Deuterostomes,water vascular syst. used toe movement
-Circulation
-Respiration
-Excretion
-Spiny skin
-Radial symmetry in adult
-Bilateral symmetry in larva
-Live in saltwater environ.
Chordata
-Notochord-gill slits
-Hollow,dorsal nerve tube
-Post-anal tail
-Nerve tube & notochord usually replaced by vetebral
column in adults
Kingdom:Animalia| Back to main page|<