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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
mammals
B
carnivores
C
whales
D
rodents
2) These 5000 species are divided into ________subclasses.
A
12
B
4
C
7
D
3
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
marsupials
B
primates
C
placental mammals
D
dinocephelia
5) The third class are the placental mammals. Their babies are carried to term inside the mothers______________.
A
trachea
B
placenta
C
pouch
D
uterus
6) Monotremes are extremely___________. Only two families exist today.
A
fertile
B
hard to spot
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
break off very easily
B
grow throughout their lives
C
contain deadly venom
D
stop growing after a few years
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
usually
B
frequently
C
occasionally
D
only
12) Primates include lemurs, monkeys, apes and humans have a mixed diet and mostly live in trees.
A
False
B
True
13) Seals, sea lions, and walruses sleep and feed in the oceans. However, they come on the land to____________________.
A
hunt for food
B
get away from predators
C
Lay eggs
D
reproduce
14) All whales must surface to breathe.
A
False
B
True
*select an answer for all questions
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