101. Mammal Classifications Question Preview (ID: 50739)


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There are more than 5000 species of _______________.
a) rodents
b) whales
c) carnivores
d) mammals

These 5000 species are divided into ________subclasses.
a) 3
b) 4
c) 12
d) 7

One of the subclasses is known as Monotremes. This class of mammal lays eggs.
a) True
b) False
c)
d)

Another class is known as _______________. Their babies complete development inside the mother's pouch.
a) placental mammals
b) primates
c) marsupials
d) dinocephelia

The third class are the placental mammals. Their babies are carried to term inside the mothers______________.
a) pouch
b) uterus
c) placenta
d) trachea

Monotremes are extremely___________. Only two families exist today.
a) evasive
b) fertile
c) rare
d) hard to spot

Placental mammals are the most evolved of all the mammals.
a) True
b) False
c)
d)

Placental mammal classifications are divided into about 19 different groups called orders.
a) True
b) False
c)
d)

Rodents, such as mice, beaver and porcupine have sharp front teeth that_______________________.
a) stop growing after a few years
b) break off very easily
c) grow throughout their lives
d) contain deadly venom

Herbivores, such as lions, bears,wolves and cougars are the large most feared meat-eaters.
a) True
b) False
c)
d)

Some carnivores ______________eat meat, while others eat a more varied diet.
a) only
b) usually
c) frequently
d) occasionally

Primates include lemurs, monkeys, apes and humans have a mixed diet and mostly live in trees.
a) True
b) False
c)
d)

Seals, sea lions, and walruses sleep and feed in the oceans. However, they come on the land to____________________.
a) get away from predators
b) hunt for food
c) reproduce
d) Lay eggs

All whales must surface to breathe.
a) True
b) False
c)
d)

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