Lampreys have reduced the size of commercial fish populations in the Great Lakes because they
A) secrete toxins that injure or kill other fishes.
B) are parasites on those fish species.
C) share many of the same predators.
D) are predators to many of the same prey species.
E) compete for food with those fish species.
Correct Answer:
Verified
Q20: All chordates have
A) a ventral, hollow nerve
Q21: A(n) protects the internal organs of ray-
Q22: Lungfishes are classified as
A) jawless fishes.
B) lobe-
Q23: Cartilaginous fishes differ from lampreys because they
A)
Q24: Which were the first tetrapods to move
Q26: Parasitic lampreys have
A) sucker- like mouths lined
Q27: A shark is a(n)
A) jawless fish.
B) invertebrate
Q28: A lamprey is a(n)
A) amphibian.
B) jawless fish.
C)
Q29: What is the advantage of paired appendages?
A)
Q30: The characteristic that separates cartilaginous fishes from
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