________ were the first vertebrates to live on land and they evolved from ________.
A) Amphibians; fish
B) Reptiles; amphibians
C) Mammals; reptiles
D) Amphibians; lancelets
Correct Answer:
Verified
Q9: Amphibians evolved from
A)darters.
B)sharks.
C)bass and bluegill.
D)sturgeon and catfish.
E)lobe-finned
Q10: Which of these characteristics is NOT found
Q11: In some chordates,the _ is (are)replaced by
Q12: The jawed fish and all other vertebrates
Q13: Which of the following reptilian features enabled
Q15: The four defining characteristics of chordates are
A)segmentation,a
Q16: The vertebrates that lack jaws are called
A)rays.
B)turtles.
C)lampreys.
D)eels.
Q17: If the only chordate characteristic that adult
Q18: During the course of fish evolution,two of
Q19: What is the main reason that mammals
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