Unit #8, Quiz #1, 2013-2014
«grade»
Grade:
«subject»
Subject:
«date»
Date:
1
Mammals have a _______ chambered heart.
A
2
B
3
C
4
D
5
2
Which order of mammals have made the most
complete transition to aquatic life
A
Carnivora
B
Cetaceans
C
Serinia
D
Pinnepeds
3
A walrus uses which of the following to detect
the presence of bivalves in the sand
A
Tusks
B
Teeth
C
Whiskers
D
Front flippers with vestigial nails
4
The following animal is a:
A
Seal
B
Sea Lion
C
Walrus
D
Cetacean
5
Which species is the largest group of Pinnepeds
A
seals
B
dolphins
C
walruses
D
sea lions
6
Pinnepeds feed mostly on
A
seals
B
kelp
C
squid & fish
D
plankton
7
Manatees and dugongs are in which of the
following orders:
A
Pinniped
B
Cetacea
C
Odontoceti
D
Sirenia
8
Which of the following is used to keep a
mammal warm?
A
Cetacean
B
baleen
C
whiskers
D
blubber
9
Which of the following is a Pinneped
A
sea lion
B
dolphin
C
polar bear
D
otter
10
All of the following are true when comparing seals
and sea lions, EXCEPT:
A
Sea lions have external ears
B
Anterior legs of seals are not useful for walking
C
Seals have any external ears
D
Anterior legs of sea lions are useful for walking on land
11
Which species is the largest (physically) of Pinnepeds
A
seals
B
dolphins
C
walruses
D
sea lions
12
All of the following are characteristics of mammals,
EXCEPT:
A
They are viviparous
B
They nurse their young
C
They are ectothermic
D
They all have hair/fur at some point in their lives
13
Sea otters were hunted near extinction because:
A
Sea otters were considered pest near aquaculture farms
B
Sea otters have the most dense hair of any known animal
C
Sea otters lost most of their habitat due to kelp farming
D
Sea otters lost their major food souce (sea urchins) due to pollution
14
All of the following are characteristics of Pinnepeds, EXCEPT:
A
They have the most dense fur of any mammal
B
They are predominately carnivores
C
They are streamline and excellent swimmers
D
Examples of pinnepeds are seals, sea lions, and walruses
15
Polar bears can be found in the __________ region(s)
A
Antarctic
B
Temperate
C
Equatorial
D
Arctic
16
All of the following are true when considering
sea otters, EXCEPT:
A
they have the most dense fur of any mammal
B
they are known for their use of tools
C
they are territorial
D
they use blubber to keep themselves warm and afloat
17
The root of the word mammal comes from the
fact that mammals have
A
More than 3 chambers in their heart
B
Fur that covers most of their body
C
The ability to give live birth
D
Mammary glands
18
Sea otters are considered a capstone/keystone species.
This means:
A
without this species the ecosystem will become destabilized
B
this species is responsible for keeping the bottom of the food chain
stable
C
this species is considered an apex predator
D
as this species grows in population size, so does the overall
population of the food chain
19
Which order of mammals is least adapted for an
aquatic environment:
A
Carnivora
B
Cetaceans
C
Serinia
D
Pinnepeds
20
Seals and sea lions received legal protection
under the Marine Mammal Protection
Act (MMPA) of ______________.
A
1886
B
1911
C
1946
D
1972