What acts as both a circulatory system for gas exchange and a hydraulic system for movement in the echinoderms?
A) Endoskeleton
B) Water vascular system
C) Hydrostatic skeleton
D) Visceral mass
Correct Answer:
Verified
Q3: Cnidarians are named for their cnidocytes,a feature
Q3: How many of the animal phyla include
Q4: Which worm has no body cavity?
A)Flatworms
B)Annelids
C)Roundworms
D)All of
Q6: Which one of the following is a
Q9: What do sponges and cnidarians have in
Q15: Which body form of the cnidarians is
Q15: Most animals fall into one of how
Q17: Many, though not all, mollusks have a
Q23: Serial repetition of segments is a defining
Q29: The echinoderms are most closely related to
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents