Animals, with the labels checked.
Ten small distinctions from the animal world.
Ten questions, with the answers explained. Try them in your head, then open each answer when you're ready.
Play this quiz →QUESTION 1 / 10
A narwhal's long tusk is a tooth.
- True
- False
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True
The tusk is an elongated tooth, usually found in male narwhals.
QUESTION 2 / 10
A caterpillar is a larval stage of a butterfly or moth.
- True
- False
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True
The caterpillar changes through a pupal stage before becoming the adult insect.
QUESTION 3 / 10
An adult dragonfly has two pairs of wings.
- True
- False
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True
Dragonflies have four wings, arranged in two pairs.
QUESTION 4 / 10
A whale shark is a whale.
- True
- False
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False
Despite the name and enormous size, a whale shark is a fish.
QUESTION 5 / 10
A penguin is a bird.
- True
- False
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True
Penguins have feathers and other bird characteristics despite being unable to fly.
QUESTION 6 / 10
A centipede always has exactly one hundred legs.
- True
- False
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False
The number varies by species and stage of development; the name is not an exact count.
QUESTION 7 / 10
A chameleon's color changes can be used in communication.
- True
- False
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True
Color changes can signal social states as well as respond to temperature and other factors.
QUESTION 8 / 10
All bees live in large colonies.
- True
- False
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False
Many bee species are solitary rather than colony-forming.
QUESTION 9 / 10
A snail is a mollusk.
- True
- False
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True
Snails are gastropod mollusks, a group that also includes slugs.
QUESTION 10 / 10
A crocodile is an amphibian.
- True
- False
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False
Crocodiles are reptiles, even though they spend much of their time in water.