Cnidarians Flashcards
1
Q
Name the main features of Cnidarians
A
Hydrostatic skeleton Stinging cells that discharge cnidae (and sometimes proteolytic enzymes) Sac-like gut Mostly marine 2 body plans; Medusa and Polyp Muscle and nerve cells Radial symmetry
2
Q
What is the name given to the gelatinous water/protein layer in cnidarians?
A
Mesogloea. It serves as an endoskeleton, and elastic properties allow it to restore its shape after deformatin by muscular contraction
3
Q
What is the ecological and medical mportance of cnidarians?
A
Some stings can be fatal, especially of cuboza. Highly productive organisms in coral reefs. They are food for other organisms such as sea turtles.
