Most mammals have two sets of teeth during their lifetime.The first set is called the __________ teeth.
A) deciduous
B) homodont
C) semipermanent
D) conodont
E) suckling
Correct Answer:
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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.
Q19: The duck-billed platypus is referred to as
Q20: The _ are the "pouched" mammals.
A)monotremes
B)marsupials
C)ungulates
D)true placental
Q21: Sudoriferous glands that produce watery secretions that
Q23: The major excretory product of most mammals
Q24: The protein that accumulates to form claws,horns,hooves,and
Q25: A portion of the tubule system of
Q26: The excretory organs of mammals are
A)protonephridia.
B)renal glands.
C)green
Q27: Mammalian glands called _ glands secrete pheromones.
A)eccrine
B)endocrine
C)musk
D)mammary
E)apocrine
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