Which of the following features was NOT necessary for adaptation by reptiles to life on land?
A) hard,horny scales
B) internal fertilization by means of a penis
C) shelled egg
D) being cold-blooded
E) well-developed lungs
Correct Answer:
Verified
Q3: The amphibian heart has
A) two separate atria
Q14: Which types of embryos have extraembryonic membranes?
A)
Q17: Which of these characteristics first developed in
Q31: The chief distinguishing characteristic of all mammals
Q32: Mammals are different from birds in all
Q32: Because most birds travel through the air
Q34: A heart with two separate atria and
Q37: Vertebrates possessing a four-chambered heart are
A)bipedal.
B)all birds.
C)warm-blooded
Q39: Animals with a three-chambered heart would include
A)
Q41: All of the following are characteristics of
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