The claspers are structures involved in:
A) Copulation.
B) Osmoregulation.
C) Courtship behavior.
D) Detection of vibrations in water.
E) Intake of oxygen by gills.
Correct Answer:
Verified
Q25: One of the following is a synonym
Q26: The nictitating membrane of sharks:
A)Produces sound.
B)Detects chemicals
Q27: A group behavior that is much more
Q28: Most marine fishes are:
A)Live-bearers.
B)Ovoviviparous.
C)Viviparous.
D)Oviparous.
E)Catadromous.
Q29: Anadromous fishes migrate:
A)Up and down the water
Q30: Spiracles are involved in:
A)Filter feeding.
B)Removing additional oxygen
Q31: Oxygen is carried in the blood of
Q32: An example of a catadromous fish:
A)Whale shark.
B)Atlantic
Q33: Broadcast spawning in fish refers to:
A)Internal fertilization.
B)External
Q34: The counter-current system of flow is involved
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