Warm-bloodedness in different fishes
A) Evolved only once in an ancestral fish
B) Evolved several times independently
C) Is restricted to one genus
D) Is found mainly in eels
Correct Answer:
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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
Q15: Mesopelagic fishes usually have their photophores
A) Concentrated
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
Q21: Which of the following probably has the
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