Phylum Echinodermata Flashcards
1
Q
What are the classes present in Phylum Echinodermata?
A
Asteroidea
Ophiuroidea
Echinoidea
Holothuroidea
Crinoidea
2
Q
Lec:
What is the unique feature of echinoderms?
A
Water-vascular system
3
Q
Lec: Echinoderms are exclusively ____________.
A
Marine organisms
4
Q
Lec: Type of symmetry found in echinoderms
A
Radial symmetry
5
Q
Lec: Echinoderm superclass that include both Asteroidea and Ophiuroidea.
A
Stelleroidea
6
Q
Lec: A term for the unsegmented body of echinoderms.
A
Nonmetemeric
7
Q
Lec: Coelom formation of echinoderms
A
Coelomate
8
Q
Lec: What are the closest relatives of echinoderms?
A
Chordates
9
Q
Lec: What characteristic feature links echinoderms to the chordates?
A
Deuterostome development
