Multiple Choice
The mechanism whereby buoyancy is achieved in different kinds of fishes is
A) through the presence of a large,oily liver when a swim bladder is not present.
B) through the presence of a large swim bladder that expands as the fish periodically swims toward the surface.
C) through the presence of a swim bladder that is regulated internally by two structures that add or remove air from the bladder.
D) all of these
Correct Answer:
Verified
Correct Answer:
Verified
Q28: In the gills of fishes,the flow of
Q29: Hagfishes locate their food through keen vision.
Q30: Swimming is metabolically less expensive as a
Q31: The lateral line of a shark is
Q32: Sharks are heavier than water but achieve
Q34: The hagfishes are marine scavengers.
Q35: The sarcopterygians are the sister group of
Q36: Larval eels were first called _ by
Q37: The propulsive mechanism of a fish is<br>A)its
Q38: Most fishes are dioecious,with external fertilization and