The duck-billed platypus and other monotremes differ from other mammals in that they
A) are aquatic.
B) lay eggs.
C) have mammary glands.
D) have hair.
Correct Answer:
Verified
Q13: Which is characteristic of all vertebrates?
A) a
Q14: Which animals are ectothermic?
A) frogs and mammals
B)
Q15: Which statement best describes the current scientific
Q16: By far the largest number of extant
Q17: Amphibians were diverse and abundant in the
Q19: Which statement best describes how flight and
Q20: Mammals
A) evolved from birds.
B) all give birth
Q21: As an example of the relationship between
Q22: Which part of the body is likely
Q23: "Lucy," who belongs to the group _,
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