Which is incorrect about sharks?
A) They belong to the class Chondrichthyes.
B) They have jaws.
C) Most are predators but some are filter feeders.
D) They have an internal bony skeleton.
E) Their eggs are internally fertilized.
Correct Answer:
Verified
Q20: The massive early jawed fishes were called:
A)whales
B)coelacanths
C)placoderms
D)lampreys
Q21: The largest living reptiles ever on earth
Q22: The first animals to invade land were:
A)amphibians
B)birds
C)reptiles
D)arthropods
Q23: Which order do salamanders and newts belong
Q24: Bony fishes possess a swim bladder to:
A)regulate
Q26: Which of the following is the
Q27: Which of the following has heterodont dentition?
A)Lizards
B)Dogs
C)Alligators
D)Crocodiles
E)Turtles
Q28: What is the function of the operculum?
A)To
Q29: Elephants belong to the order:
A)Cetacea
B)Edentata
C)Proboscidea
D)Carnivora
E)Artiodactyla
Q30: All of the following are made of
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