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Quiz: How Much Do You Know About Mammals?

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True or False: All mammals have hair.

True! All mammals have hair, even aquatic species. Though it may sometimes be more visible than others, you can always rest assured that it's there.
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What animal is the only mammal that can fly?

Bats are the only mammal that is capable of genuine flight.
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Which of these is NOT a relative of the wolf?

The Takhi isn't related to wolves at all... in fact, it's a type of horse! Also called the Mongolian wild horse, they are a rare species that lives in Central Asia.
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What are the only two kinds of mammal that can lay eggs?

Echidnas and Pltaypuses are known as Monotremes due to their ability to lay eggs, despite being mammals.
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What animal is an ancestor of domesticated cattle?

The Aurochs is an extinct species of large wild cattle that inhabited much of Europe, Asia, and parts of North Africa. They are an ancestor of today's domesticated cattle.
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Which of these words describes mammals, in terms of body heat?

Mammals are Homeothermic, meaning they maintain a stable internal body temperature despite the temperature outside.
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True or False: Whales are not mammals.

Whales are indeed mammals. They breath air, are warm-blooded, and give birth to live young... all characteristics of other mammals.
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One distinction of mammals is the number of bones found in the ear. How many bones do nearly all mammals have in each ear?

Reptiles and birds both have ears with a single bone in them while mammals typically have 3 bones in the ear making for more acute hearing.
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Different mammals exhibit all of the following traits EXCEPT one, which trait is that?

Pangolins are a species of mammal with scales. Bats are a kind of a mammal that can fly. Platypuses are mammals, and yet they lay eggs. But, despite what middle school bullies might have said, there are no species of mammal with four eyes.
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Mammals are highly social and many predators are pack hunters. Which of the following IS NOT a pack hunter?

Polar Bears do not hunt in packs. Bears, in general, tend to live alone... except for mothers and their cubs, or males and females during mating season.
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Which of these mammals does NOT have tusks?

Despite their name, elephant seals do NOT have tusks.
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What is the term used for animals that has a backbone?

Vertebrates! All vertabrates share a roughly similar body plan: a stiff rod running through their body, with a hollow tube of nervous tissue around it.
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About how many species of mammals are known to exist today?

There are 5,416 different species of mammals that are recognized by the scientific community.
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Which of these choices is NOT a mammal?

A Salamander is an amphibian, not a mammal.
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True or False: all mammals fertilize their young internally.

True! Internal fertilization is one of the defining characteristics of mammals.
About This Quiz
Mammals make up a significant portion of life on Earth. It's a diverse group: mammals range in size from less than an inch long, to some species that are larger than a car. Most mammals are intelligent, with some possessing large brains, self-awareness and tool use... but there are those that exhibit none of these characteristics whatsoever. However you slice it, mammals are some of the most important, and most fascinating, animals on Earth. Here's a quiz designed to test your knowledge about these magical creatures!


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