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Ratlike Creature's Bizarre Backbone Baffles Scientists

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#1 Hum

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Posted 24 July 2013 - 00:37

The hero shrew — a small, ratlike animal with a bizarrely strong and oddly shaped backbone — has mystified scientists since it was first described more than 100 years ago. Now, a newly discovered species of hero shrew may help researchers piece together why the animal evolved to have such a peculiar spine and what purpose the hardy backbone serves now.

The hero shrew's unique backbone gives the animal extraordinary strength, said lead study author William Stanley, collections manager of mammals at The Field Museum in Chicago. The animal's lower back has 10 to 11 lumbar vertebrae (the bones that make up the lower spine) that jut out and interlock with one another, he added. In comparison, humans have five lumbar vertebrae between the rib cage and the pelvis that help support the weight of the body.

"The hero shrew has the most bizarre mammalian backbone in the world," Stanley told LiveScience.

For more than 100 years, the hero shrew was classified as only one species, but a new species has been discovered in central Africa that has an expanded backbone and only eight lumbar vertebrae. Although the spine appears to be slightly different from that on the original hero-shrew species, molecular evidence indicated the two are closely related, the researchers said.

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#2 Draconian Guppy

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Posted 24 July 2013 - 00:40

And that's what dinosaurs "evolved" into:

 

 

hero-shrew-skeleton.jpg1374613645



#3 Growled

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Posted 24 July 2013 - 00:56

Nature can be amazing diverse. 



#4 bb10

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Posted 29 October 2013 - 17:36

And that's what dinosaurs "evolved" into:
hero-shrew-skeleton.jpg1374613645

No, dinosaurs did not evolve into mammals.

#5 OP Hum

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Posted 29 October 2013 - 21:49

Evolution as it is now believed, is rubbish.



#6 Growled

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Posted 29 October 2013 - 22:55

Evolution as it is now believed, is rubbish.

 

Why is that?



#7 bb10

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Posted 30 October 2013 - 00:27

Why is that?

Ancient_Aliens_Eggs1.jpg

#8 Torolol

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Posted 30 October 2013 - 07:08

so why plant doesn't develops backbones in course of evolutions?



#9 Lezard

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Posted 30 October 2013 - 07:14

so why plant doesn't develops backbones in course of evolutions?

 

 

Plants, are not like Mammals, as such plants do not require backbones to support their weight, plus they do not have a skeletal body. Go read more bibles, maybe u can find the answer there... I think some where between adam and steve.



#10 Colicab

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Posted 30 October 2013 - 07:16

so why plant doesn't develops backbones in course of evolutions?


they did, there called trunks.



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