Which of the following reptilian features enabled them to adapt to a terrestrial environment?
A) A dry skin,ectothermy and external fertilization
B) Two pairs of paired limbs,a septum that divides the ventricle,and well-developed kidneys
C) Skin that allows for respiration,a septum that divides the ventricle and an amniotic egg
D) Efficient respiration,ectothermy and external fertilization
E) Live birth,efficient excretion and two pairs of limbs
Correct Answer:
Verified
Q8: Which feature is found in the bony
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
Q14: _ were the first vertebrates to live
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
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