What do sharks have in common with goldfish?
A) Opercula
B) A lateral line system
C) Electrosensors
D) A cartilaginous skeleton
Correct Answer:
Verified
Q23: Serial repetition of segments is a defining
Q24: Which group of fishes evolved first?
A) Ray-finned
Q25: Compared to mammals and reptiles,what characteristic prevents
Q26: Which of the following features are used
Q30: Most chordates are _.
A) invertebrates
B) vertebrates
C) insects
D)
Q31: Which phylum is most closely related to
Q33: Which of the following phyla is the
Q37: Worms all appear to be closely related
Q40: What are the key characteristics of arthropods?
A)Fused
Q55: Which group of fishes gave rise to
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