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
What is the only flying mammal?
Bat
What order are bats found in?
Chiroptera
What is a group of bats called?
Colony
What is the design that bats have that allows them to emit a high-pitched sound which hits a nearby object and then bounces back to the bat?
Echolocation system
What is a primate with a tail?
Monkey
What type of monkey is found in Africa and Asia and has closely-spaced, comma-shaped nostrils?
Old World monkeys
What are two examples of Old World monkeys?
Baboon and Macaques
What are primates without tails?
Apes
What is the scientific term for cats?
Felines
What is the only true carnivorous family because none of them eat plants?
Cats
What is the purpose of stripes on a tiger?
Camouflage
What type of whale has comb-like plates crossing their mouths that allow them to catch food?
Baleen whales
What is the largest animal to have ever lived?
Blue whale
What is the largest group of mammals?
Rodents
What is the scientific term for beaver dams?
Lodges
What is the largest rodent?
Capybara
What order are rabbits, hares, and pikas part of?
Lagomorphs
What are mammals with hooves called?
Ungulates
What is the scientific term for animals that chew the cud?
Ruminants
What is the tallest living animal?
Giraffe
What incredibly aggressive animal is considered one of Africa’s deadliest animals?
Hippopotamus
What structures are bony core surrounded by a hollow sheath of hardened skin?
Horns
What structures are dead bone without a covering?
Antlers
What order are dugongs and manatees a part of?
Sirenia
What sirenian has a forked tail, like a whale’s?
Dugong
What is the only species in the order Tubulidentata (“Tube-like Teeth”)?
Aardvark
What are the largest hopping mammals?
Kangaroos
What is a pouchless marsupial whose favorite food is termites?
Numbat
What animal feeds almost exclusively on eucalyptus leaves?
Koala
What are the only marsupials found outside Australia and its surrounding islands?
Opossums
What marsupials are known for their ability to play dead?
Opossums
What is the term for animals who reproduce by laying eggs?
Oviparous
What oviparous mammal has a bill that resembles a duck’s bill?
Platypus
What is the term for when the number of animals in a species drops to a point that the animal may become extinct?
Endangered
