Lecture Exam 2 Form B Correct answers are marked with an asterisk and may appear BLUE in your browser.
Echinoderms have a hydraulic system of locomotion called the water vascular system.
Echinoderm larvae have bilateral symmetry, even though many adult echinoderms are pentaradial. Echinoderms are deuterostomes. Pentaradial adult echinoderms provide a good example of a cephalized animal. Think of the skeleton of a bony fish. The skeleton of the tail of a pig is formed from a. cervical vertebrae.