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WorksheetsMarine Mammals Chapter Review
Total questions: 37
Worksheet time: 1hrs 14mins
The tail of a whale or dolphin is called?
fin
dorsal fin
caudal fin
fluke
Live Birth
Nurse Young
Breath Air
Warm Blooded
Hair
What do baleen whales have two of, that toothed whales have only one of?
stomachs
bladders
blowholes
set of eyes
A term used to describe the action of when whales lift their head straight out of the water ___.
lobtailing
fluking
spyhopping
blowing
Seals and Sea Lions are examples of what type of mammals ___?
Cetacean
Felines
Pinnipeds
Sirenians
What is echolocation?
A place on a map.
Is when you yell in a large room and your voice repeats.
The use of sound waves bouncing off objects to navigate or located prey.
To what marine mammal group do sea otters and polar bears belong?
Carnivora
Sirenia
Cetacea
Monotreme
Pinnepedia generally live in cool or cold water except this group:
Walruses
Monk Seals
Galapagos Sea Lions
Japanese Sea Lions
Cetacea fore limbs are known as
(a)
Which are true of Odontocetes? Check all that apply.
Also known as toothed whales
Also known as baleen whales
Generally larger than mysticetes, greater than 20 feet in length
One blowhole
Narwhals, orca, sperm whales
Check all that are true of Mysticetes
Usually range in length from 21 - 85 ft
One blowhole
Filter feeders through baleen
dolphins and porpoises
Blue whale, humpback whale, and gray whale
Which of the following are adaptations for diving for marine mammals? Check all that apply.
Lungs remove 20% of O2 from the air compared to 90% for humans
The lungs are able to expand temporarily during apneustic breathing.
Blood flow to extremities and digestion are decreased during dives.
Marine mammals cannot tolerate as much lactic acid as humans
Rib cage and lungs collapse during the dive to force air into tissue
What is the term that describes a dramatically slower heart rate?
(a)
What is rapid breathing prior to a dive known as?
(a)
What part of the body is used for directing outgoing sound waves during echolocation?
Melon
Lower jaw
Nasal plug
Air sac
The sound waves in echo location are received back by the..
Lower jaw and melon
Inner ear and air sac
Brain and melon
Acoustic window and lower jaw
True or False: The longer it takes for the echo to return, the closer the object is located.
True
False
Which are true about reproduction in marine mammals?
Gestation is normally 11-12 months in cetaceans
Calves are born head first so they can take their first breath
Calves are born tail first so they can remain attached to the placenta till the entire body is out
Calves immediately separate from their mothers when they are born
Which are part of the group Sirenia
Dugong and manatee
Seals and sea lions
Walrus and sea otters
Sea otters and polar bears
The teeth of toothed whales are used for all except...
grasping
tearing
chewing
The purpose of migration of baleen whales, including humpback whales is to
Summer feeding in cooler waters
Reproduce in warmer waters in the winter
Find food in warmer waters in the winter
Reproduce in cooler waters in the summer
Which type of whale has the longest life span?
Humpback whale
Orcas
Bowheads
Gray whales
What characteristic distinguishes the porpoise from the dolphin?
Color
Teeth
Nose
Feeding patterns
