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What’s Your Rodent IQ? (Quiz)

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Answer: C. Their continuously-growing teeth.

Rodents’ teeth are specialized for gnawing; in fact, the word “rodent” has its origin in the Latin word rodere, meaning “to gnaw.” They have two pairs of incisors, one on the upper jaw and one on the lower; these teeth grow continuously throughout their life, and must be kept short and sharp through gnawing.

(Of course, there are exceptions to every rule: there is one species of earthworm-eating shrew-rat that does not gnaw, and has only two teeth in total. Rabbits and other lagomorphs also have continuously growing teeth, but unlike rodents, they have four incisors in the upper jaw, not two.)

 

 

Question #2: What percent of all mammal species are rodents?
A. 5%
B. 10%
C. 20%
D. 40%

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Read more: Behavior & Communication, Environment, Fun, Less Common Pets, Life, Nature, Nature & Wildlife, Pets, Quizzes, Wildlife, , , , , , , , , , ,

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90 comments

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12:32AM PDT on Aug 9, 2014

Interesting, rodents some in all sorts of sizes, shapes and colours.

Nine out of ten, wrong about the shrews.

3:04AM PDT on Jul 19, 2014

Very cool! I wasn't too bad :) I love rodents, especially rats! They are so intelligent and sweet little animals

2:51PM PDT on Apr 13, 2014

Nice. I did miss the "directly" transmitted. oops.

1:19PM PST on Jan 2, 2014

Thank you !

12:25PM PDT on Sep 28, 2013

This was a very interesting, as well as, informative quiz. I really enjoyed it and learned form it. Thank you

1:29PM PDT on May 9, 2013

surprised myself with 9 out of 10 :) Thank you for sharing.

6:42AM PST on Nov 20, 2012

thanks

4:57PM PDT on Oct 24, 2012

7 out of 9, not bad if I say so myself.
Many endangered native rodents in Oz :(

1:09PM PDT on Oct 16, 2012

8/10 did a lot better than I thought. i love mice.. especially pet store mice, but I wish they wouldnt come into my house.

8:13AM PDT on Oct 10, 2012

Have rats for over 10 years now, they are really all over the place ^.^
very independent and intelligent beings.
didn't know though that they can live without water for such al long time and here i change their water bottles every day!
I knew they tricked me again!

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