Hagfishes
A) are entirely fresh water animals.
B) are parasitic.
C) have a complex but well-researched reproductive cycle.
D) generate enormous quantities of slime if disturbed.
E) All of the choices are correct
Correct Answer:
Verified
Q12: The lateral-line of a shark is used
Q13: The cartilaginous fishes do NOT include
A)skates.
B)rays.
C)sharks.
D)eels.
E)All of
Q14: The hagfish has a keen sense of
A)depth
Q15: Shark reproduction and development involves
A)clearing a bottom
Q16: The most primitive of the early fishes
Q18: Cartilaginous fishes
A)lost the heavy dermal armor of
Q19: Shark characteristics include
_ having internal fertilization.
_ having
Q20: The cladistic use of the term "fish"
A)applies
Q21: In schooling,fish rely on sensitivity to vibration
Q22: The group designation _ was formerly considered
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