Chapter 35 Flashcards
1
Q
The term Echinoderm means
A
spiny skin
2
Q
Fluid filled system that is a modification of of one of several coelomic spaces and is composed of a central ring canal from which radial canals extend
A
water-vascular system
3
Q
Echinoderm symmetry is bilateral in larvae but ____ in adults
A
pentaradial
4
Q
Echinoderms have a delicate epidermis that stretches over an endoskeleton composed of calcium carbonate plates called ____
A
ossicles
5
Q
What are the 4 features that characterize Chordates
A
- nerve cord
- notochord
- pharyngeal slits
- Postanal tail
