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Life Science Ch.18

QuestionAnswer
Which 2 groups of animals are endothermic? mammals & birds
What happens to the body temp. of an endothermic animal as its environment cools? nothing
How can large ears cool animals? they pump blood through then to cool it off
How does a birds diet benefit mankind? the seed eating birds may carry pollen to other places & the meat eating 1's or like pest control
how does a bird preen itself? to keep its feathers flexible
How does a developing chick in an egg get oxygen? the oxygen passes threw the brittle shell
What do we call a long pointed teeth that is used for tearing? canines
What is the special name for insulating hair? under hair
What is a belly button? the mark left by the umbilical cord
Name a mammal that lays eggs? duck bill platypus
Which order of mammals including squirrels? Rodentia
Are humans primates? Why or why not? No, because evolution is wrong
How does a dog cool itself? Panting
What main advantage is there to being endothermic? Don"t have to stop activity to get cooler or warmer
Why would a bird's beak be curved? Hooked beak that is used to tear meat
How do bird bones differ from other mammals? They are hollow
Which type of feather insulates a bird? Down feather
List two distinguish characteristics of mammals Hair and mammary glands
Four kinds of teeth found in mammals Canines, incisors, premolars, molars
What protein is hair made of? Keratin
What is the functions of the umbilical cord? To feed the offspring
Three groups of mammals. Monotremes, placental mammals, and marsupials
Created by: TreyAucoin
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