Exam 3

Question 1

pinnipeds

Answer 1

seals, sea lions, walrus

Question 2

carnivores

Answer 2

sea otter, marine otter, polar bear

Question 3

sirenians

Answer 3

dugong and manatee

Question 4

cetaceans

Answer 4

whales, dolphins, porpoises

Question 5

characteristics of pinnipeds

Answer 5

-flipper footed
-streamlined bodies
-blubber
-breed on land
-feed on fish, squid, penguin

Question 6

characteristics of walrus

Answer 6

-no external ears
-adult males are larger than females in body size
-females give birth every 2 years

Question 7

characteristics of carnivores

Answer 7

-smallest marine mammal
-no blubber
-fur to track air
-found in water close to shore
-endangered

Question 8

characteristics of polar bears

Answer 8

-largest land carnivore
-smaller ears and longer necks than other bears
-thick fur coat

Question 9

characteristics of manatees and dugongs

Answer 9

-relatives of elephants
-no rare limbs
-mostly vegetarians
-reproduce once every 3 years

Question 10

characteristics of cetaceans

Answer 10

-blubber
-only have front flippers
-blowhole on top of head
-no body hair
-fin like tail

Question 11

characteristics of baleen whales

Answer 11

-baleen for filter feeding
-two blowholes
-smaller in size

Question 12

characteristics of toothed whales

Answer 12

-teeth used to bite and hold prey
-single blowhole
-larger in size