The ___________ is composed of vertebrates having placoid scales,a heterocercal caudal fin,a ventral mouth,and a cartilaginous endoskeleton.
Correct Answer:
Verified
Q34: The mechanism whereby buoyancy is achieved in
Q35: The chimaeras
A)include representatives called ratfish and rabbitfish.
B)have
Q36: The fisheries of the Great Lakes were
Q36: The lateral-line system of sharks contains special
Q37: The ammocoetes is the larval form of
Q38: Unlike other vertebrates,the body fluids of hagfishes
Q40: Sharks have
A)placoid scales.
B)ctenoid scales.
C)cycloid scales.
D)ganoid scales.
Q41: The ray-finned fishes belong to the Class
Q42: The gas gland of the advanced teleost
Q49: Adult eels from both Europe and North
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