During the course of fish evolution two of the gill slits slowly evolved into ____________.
A) gills
B) the pectoral fins
C) the swim bladder
D) the jaw
E) none of the above
Correct Answer:
Verified
Q1: The following are differences between amphibians and
Q1: Vertebrates without jaws would be the
A) rays.
B)
Q2: Sharks
A) lack bony skeletons.
B) have placoid scales.
C)
Q7: A notochord is
A)a strip of cartilage that
Q9: Amphibians evolved from
A)darters.
B)sharks.
C)bass and bluegill.
D)sturgeon and catfish.
E)lobe-finned
Q10: What is the main reason that mammals
Q11: In some chordates,the _ is (are)replaced by
Q11: Which of the following features are shared
Q13: Which of the following reptilian features enabled
Q38: The amphibians' unique contribution to the evolution
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