Week 3 Flashcards
1
Q
What Are Echinoderm Characteristics
A
first internal endoskeleton
spiny skin
water vascular system (with tube feet)
limb regeneration
radial symmetry (5)
Environment: marine
2
Q
What is Water Vascular System
A
The water vascular system is a hydraulic system used by echinoderms,
3
Q
Sponges = ?
A
Porifera
4
Q
Is a shell a skeleton?
A
Shell is not a skeleton
5
Q
Do Arthropods have a segmented body?
A
Arthropods do have a segmented body
6
Q
Echinoderms = ?
A
1st endoskeleton
