-
What is an echinoderm?
An echinoderm is a sea animal that has a hard spiny shell, or exoskeleton. Echinoderms display radial symmetry, having 5 similar body extensions from a central point.
The seven classes of echinoderms...
-
What are echinoderms?
Echinoderms are sea animals that live in salt water. Thier is five kind of Echinoderms, their is sea stars, brittle stars, sea cucumbers, sea urchins, and sand dollars. Echinoderms all have...
-
What is cephalization?
Cephalization is the studio album by Mank
-
Cephalization is associated with what?
a) sedentary life b) predators, but not prey c) concentration of sensory structures at the anterior end d) a sessile existence e) a backbone ANS: C
-
Do echinoderm have backbones?
NO they are invertebrates