Multiple Choice
Digestion in cnidarians is
A) intracellular only.
B) extracellular only.
C) both extracellular and intracellular.
D) none of these
Correct Answer:
Verified
Correct Answer:
Verified
Q12: In cnidarians,extracellular digestion occurs in the<br>A)gastrovascular cavity.<br>B)gastrodermal
Q13: Radial symmetry benefits animals that actively move
Q14: Most of the zooids of Obelia are
Q16: The central nervous system of cnidarians includes
Q18: The body wall of a Hydra consists
Q19: Molecular evidence suggests that hydrozoans,scyphozoans,and cubozoans shared
Q20: A distinguishing characteristic of cubozoan medusae is
Q21: The function of the siphonoglyph is<br>A)to pump
Q22: In Obelia,the feeding polyp is the<br>A)perisarc.<br>B)gonangium.<br>C)manubrium.<br>D)hydranth.
Q28: The long thread-like structures that help to