Most Mammals Have Two Sets of Teeth During Their Lifetime

Q36: The length of time that mammalian young

Q37: Specialized guard hairs called _ occur around

Q38: The excretory organs of mammals are<br>A)protonephridia.<br>B)renal glands.<br>C)green

Q39: Muscles called _ are responsible for making

Q40: The marsupial mammals belong to infraclass<br>A)Prototheria.<br>B)Eutheria.<br>C)Metatheria.<br>D)Theria.<br>E)Mesotheria.

Q41: Mammalian teeth specialized for catching,killing,or tearing prey

Q42: Sudoriferous glands that produce watery secretions that

Q43: Bats are classified in order<br>A)Chiroptera.<br>B)Insectivora.<br>C)Primates.<br>D)Cetacea.<br>E)Lagomorpha.

Q45: The beginning of the "age of mammals"

Q46: Horses,rabbits,and many rodents have a(n)_ that serves