Chapter 6

Question 1

What are animals with a backbone?

Answer 1

Vertebrates

Question 2

What is an internal skeleton that most vertebrates contain?

Answer 2

Endoskeleton

Question 3

What are animals without a backbone?

Answer 3

Invertebrates

Question 4

What is the largest mammal and the largest animal that has ever existed?

Answer 4

Blue whale

Question 5

What is the term for an animal that can regulate its body temperature by internal mechanism?

Answer 5

Warm-blooded

Question 6

What is the term for the state in which animals reduce their body temperature close to the freezing point?

Answer 6

Hibernation

Question 7

What are specially designed glands that provide milk with the perfect balance of nutrients for young mammals?

Answer 7

Mammary Glands

Question 8

What is the advantage that hair provides an animal to help it blend into its environment?

Answer 8

Camouflage

Question 9

What is the scientific name for the sensitive whiskers on dogs, cats, walruses, and other mammals?

Answer 9

Vibrisae

Question 10

What are the teeth at the front of the mouth used for cutting and biting?

Answer 10

Incisors

Question 11

What are the long, pointed teeth toward the front of the mouth used for tearing?

Answer 11

Canines

Question 12

What are the flat teeth toward the back of the mouth used for grinding?

Answer 12

Molars

Question 13

What are animals that eat primarily meat?

Answer 13

Carnivores

Question 14

What are animals that eat primarily plants?

Answer 14

Herbivores

Question 15

What are animals that eat both vegetation and meat?

Answer 15

Omnivores

Question 16

What are the only animals that have a diaphragm?

Answer 16

Mammals

Question 17

What is the term for the thing that contains amniotic fluid which surrounds the developing young?

Answer 17

Amniotic Sac

Question 18

What is the order into which sloths and anteaters fall?

Answer 18

Xenarthra

Question 19

What is the slowest mammal?

Answer 19

Sloth

Question 20

What term means “capable of grabbing”?

Answer 20

Prehensile

Question 21

What animal has the ability to roll into a ball when it feels threatened?

Answer 21

Armadillo

Question 22

What is the order from which mammals feed mainly on insects, but sometimes other small animals or vegetation?

Answer 22

Insectivora

Question 23

What is the only flying mammal?

Answer 23

Bat

Question 24

What order are bats found in?

Answer 24

Chiroptera

Question 25

What is a group of bats called?

Answer 25

Colony

Question 26

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?

Answer 26

Echolocation system

Question 27

What is a primate with a tail?

Answer 27

Monkey

Question 28

What type of monkey is found in Africa and Asia and has closely-spaced, comma-shaped nostrils?

Answer 28

Old World monkeys

Question 29

What are two examples of Old World monkeys?

Answer 29

Baboon and Macaques

Question 30

What are primates without tails?

Answer 30

Apes

Question 31

What is the scientific term for cats?

Answer 31

Felines

Question 32

What is the only true carnivorous family because none of them eat plants?

Answer 32

Cats

Question 33

What is the purpose of stripes on a tiger?

Answer 33

Camouflage

Question 34

What type of whale has comb-like plates crossing their mouths that allow them to catch food?

Answer 34

Baleen whales

Question 35

What is the largest animal to have ever lived?

Answer 35

Blue whale

Question 36

What is the largest group of mammals?

Answer 36

Rodents

Question 37

What is the scientific term for beaver dams?

Answer 37

Lodges

Question 38

What is the largest rodent?

Answer 38

Capybara

Question 39

What order are rabbits, hares, and pikas part of?

Answer 39

Lagomorphs

Question 40

What are mammals with hooves called?

Answer 40

Ungulates

Question 41

What is the scientific term for animals that chew the cud?

Answer 41

Ruminants

Question 42

What is the tallest living animal?

Answer 42

Giraffe

Question 43

What incredibly aggressive animal is considered one of Africa's deadliest animals?

Answer 43

Hippopotamus

Question 44

What structures are bony core surrounded by a hollow sheath of hardened skin?

Answer 44

Horns

Question 45

What structures are dead bone without a covering?

Answer 45

Antlers

Question 46

What order are dugongs and manatees a part of?

Answer 46

Sirenia

Question 47

What sirenian has a forked tail, like a whale's?

Answer 47

Dugong

Question 48

What is the only species in the order Tubulidentata ("Tube-like Teeth")?

Answer 48

Aardvark

Question 49

What are the largest hopping mammals?

Answer 49

Kangaroos

Question 50

What is a pouchless marsupial whose favorite food is termites?

Answer 50

Numbat

Question 51

What animal feeds almost exclusively on eucalyptus leaves?

Answer 51

Koala

Question 52

What are the only marsupials found outside Australia and its surrounding islands?

Answer 52

Opossums

Question 53

What marsupials are known for their ability to play dead?

Answer 53

Opossums

Question 54

What is the term for animals who reproduce by laying eggs?

Answer 54

Oviparous

Question 55

What oviparous mammal has a bill that resembles a duck's bill?

Answer 55

Platypus

Question 56

What is the term for when the number of animals in a species drops to a point that the animal may become extinct?

Answer 56

Endangered