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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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92 comments

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1:56PM PDT on Apr 15, 2015

Thank you!

1:16AM PST on Nov 8, 2014

I did pretty good, scored a 9...I've had a Robo hamster, named "Tinker". I really liked her and she was very tame. Sad, but she actually wanted to get super close to me one day, she (2.6 years old) curled up in my hands and passed away! She was a good little girl! I still have her cage and am thinking of getting another Robo. She looked like a chipmunk, but no tail, tan & white, with a sweet face (2" long). Well, this was fun!

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 :(

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