Bony fishes possess a swim bladder to:
A) regulate oxygen concentrations in their blood
B) cleanse the blood from toxins
C) detect changes in water pressure
D) store urine until excreted
E) regulate their buoyancy
Correct Answer:
Verified
Q19: Reproductive methods among the _ are the
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
Q25: Which is incorrect about sharks?
A)They belong to
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
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