Echinoderm Flashcards
1
Q
Endoskeleton
A
internal skeleton
2
Q
Pedicellariae
A
A defensive organ
3
Q
Madreporite
A
A plate where seawater enters into the vascular system
4
Q
Radial canal
A
part of the water vascular system
5
Q
Ring canal
A
links canals
6
Q
Arm / Ray
A
A limb on an organism (starfish)
7
Q
Radial Symmetry
A
parts arranged around a single axis
8
Q
Bilateral Symmetry
A
equal halves
9
Q
Water Vascular System
A
food and waste system
10
Q
Ambulacral Groove
A
spines
11
Q
Ossicles
A
small bones
12
Q
Pyloric Caecum
A
tube opening to a canal
13
Q
Cardiac Stomach
A
digestion stomach
14
Q
Ampullae
A
end of a vessle
15
Q
Gonads
A
sec cells
