Short Answer
The body wall of a Hydra consists of an outer epidermis and an inner gastrodermis with ______________ between them.
Correct Answer:
Verified
Correct Answer:
Verified
Q13: Radial symmetry benefits animals that actively move
Q14: Most of the zooids of Obelia are
Q16: The central nervous system of cnidarians includes
Q17: Digestion in cnidarians is<br>A)intracellular only.<br>B)extracellular only.<br>C)both extracellular
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.
Q23: The freshwater Hydra has a medusa stage
Q28: The long thread-like structures that help to