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101. Mammal Classifications
Test Description: ScienceStudyGames.com
Instructions: Answer all questions to get your test result.
1) There are more than 5000 species of _______________.
A
rodents
B
mammals
C
carnivores
D
whales
2) These 5000 species are divided into ________subclasses.
A
3
B
4
C
7
D
12
3) One of the subclasses is known as Monotremes. This class of mammal lays eggs.
A
True
B
False
4) Another class is known as _______________. Their babies complete development inside the mother's pouch.
A
placental mammals
B
dinocephelia
C
marsupials
D
primates
5) The third class are the placental mammals. Their babies are carried to term inside the mothers______________.
A
pouch
B
uterus
C
placenta
D
trachea
6) Monotremes are extremely___________. Only two families exist today.
A
hard to spot
B
fertile
C
rare
D
evasive
7) Placental mammals are the most evolved of all the mammals.
A
True
B
False
8) Placental mammal classifications are divided into about 19 different groups called orders.
A
True
B
False
9) Rodents, such as mice, beaver and porcupine have sharp front teeth that_______________________.
A
stop growing after a few years
B
contain deadly venom
C
break off very easily
D
grow throughout their lives
10) Herbivores, such as lions, bears,wolves and cougars are the large most feared meat-eaters.
A
True
B
False
11) Some carnivores ______________eat meat, while others eat a more varied diet.
A
frequently
B
only
C
usually
D
occasionally
12) Primates include lemurs, monkeys, apes and humans have a mixed diet and mostly live in trees.
A
True
B
False
13) Seals, sea lions, and walruses sleep and feed in the oceans. However, they come on the land to____________________.
A
hunt for food
B
reproduce
C
get away from predators
D
Lay eggs
14) All whales must surface to breathe.
A
False
B
True
*select an answer for all questions
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