The duck-billed platypus is referred to as a(n)
A) monotreme.
B) placental.
C) marsupial.
D) pterodont.
E) cynodont.
Correct Answer:
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Q14: A common opening for excretory,reproductive,and digestive products
Q15: Which of the following animals does not
Q16: In their reproductive habits,the monotremes are
A)parthenogenetic.
B)oviparous.
C)viviparous.
D)ovoviviparous.
E)marsupial.
Q17: The duck-billed platypus and the echidna belong
Q18: The placental mammals belong to the infraclass
A)Mesotheria.
B)Metatheria.
C)Theria.
D)Prototheria.
E)Eutheria.
Q20: The _ are the "pouched" mammals.
A)monotremes
B)marsupials
C)ungulates
D)true placental
Q21: Sudoriferous glands that produce watery secretions that
Q22: Most mammals have two sets of teeth
Q23: The major excretory product of most mammals
Q24: The protein that accumulates to form claws,horns,hooves,and
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