Mesopelagic fishes usually have their photophores
A) Concentrated on the dorsal surface
B) All over the body
C) Hidden unless they swim toward the surface
D) Concentrated on the ventral surface
Correct Answer:
Verified
Q10: A fish with good maneuverability will likely
Q11: The lateral line and otolith system both
Q12: Bony fish may feed by
A) Suction
B) Ram
Q13: Fish mainly detect mechanical stimuli from water
Q14: Body temperature of fishes
A) Is always above
Q16: Warm-bloodedness in different fishes
A) Evolved only once
Q17: A member of the Mysticeti is
A) The
Q18: Members of the Odontoceti
A) Suspension feed on
Q19: Baleen whales
A) Attack large prey such as
Q20: Killer whales are known for their
A) Social
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