A Common Opening for Excretory,reproductive,and Digestive Products Is Called a

Q8: In the rodents,the teeth known as _

Q9: Specializations of the digestive tract of most

Q10: A portion of the tubule system of

Q11: The protein that accumulates to form claws,horns,hooves,and

Q12: _ glands are functional in female mammals

Q14: Primarily grazing animals with hooves are called<br>A)primates.<br>B)ungulates.<br>C)carnivores.<br>D)cetaceans.<br>E)rodents.

Q15: The coat of hair on mammals is

Q16: Opossums belong to the group of mammals

Q17: _ glands are associated with hair follicles

Q18: In their reproductive habits,the monotremes are<br>A)parthenogenetic.<br>B)oviparous.<br>C)viviparous.<br>D)ovoviviparous.<br>E)marsupial.