Chapter 6 Flashcards
What are animals with a backbone?
Vertebrates
What is an internal skeleton that most vertebrates contain?
Endoskeleton
What are animals without a backbone?
Invertebrates
What is the largest mammal and the largest animal that has ever existed?
Blue whale
What is the term for an animal that can regulate its body temperature by internal mechanism?
Warm-blooded
What is the term for the state in which animals reduce their body temperature close to the freezing point?
Hibernation
What are specially designed glands that provide milk with the perfect balance of nutrients for young mammals?
Mammary Glands
What is the advantage that hair provides an animal to help it blend into its environment?
Camouflage
What is the scientific name for the sensitive whiskers on dogs, cats, walruses, and other mammals?
Vibrisae
What are the teeth at the front of the mouth used for cutting and biting?
Incisors
What are the long, pointed teeth toward the front of the mouth used for tearing?
Canines
What are the flat teeth toward the back of the mouth used for grinding?
Molars
What are animals that eat primarily meat?
Carnivores
What are animals that eat primarily plants?
Herbivores
What are animals that eat both vegetation and meat?
Omnivores
What are the only animals that have a diaphragm?
Mammals
What is the term for the thing that contains amniotic fluid which surrounds the developing young?
Amniotic Sac
What is the order into which sloths and anteaters fall?
Xenarthra
What is the slowest mammal?
Sloth
What term means “capable of grabbing”?
Prehensile
What animal has the ability to roll into a ball when it feels threatened?
Armadillo
What is the order from which mammals feed mainly on insects, but sometimes other small animals or vegetation?
Insectivora