Did mammals evolve from rodents?
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05-09-2014, 05:26 PM
Did mammals evolve from rodents?
? what are the big differences between rodents and mammals other than size?
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05-09-2014, 05:27 PM
RE: Did mammals evolve from rodents?
Rodents ARE mammals...

Facepalm


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05-09-2014, 05:33 PM
RE: Did mammals evolve from rodents?
From Wikipedia.

Rodents are mammals of the order Rodentia, characterized by a single pair of continuously growing incisors in each of the upper and lower jaws. The name is derived from the Latin rōdere, to gnaw. About forty percent of all mammal species are rodents, and they are found in vast numbers on all continents except Antarctica. They are the most diversified mammalian clade and can be found in a variety of terrestrial habitats, including human-made environments. There are species that are arboreal, fossorial, and even semi-aquatic. Well known rodents include mice, rats, squirrels, prairie dogs, porcupines, beavers, guinea pigs, and hamsters, but rabbits, hares and pikas, which could be confused with rodents and were once included with them, are now considered to be in a separate order, Lagomorpha.


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05-09-2014, 05:34 PM
RE: Did mammals evolve from rodents?
Shit!
that feeling you get when you realize u r vermin Sad
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05-09-2014, 06:18 PM
RE: Did mammals evolve from rodents?
Seeing as rodents appeared in the Paleocene and the first mammals were found in the Triassic, saying rodents evolved into mammals would have been falsified years ago.

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05-09-2014, 06:25 PM
RE: Did mammals evolve from rodents?
Mammals are all related of course, but as far as primates scientist are saying our earliest ancestors were tree monkeys. Before that though I don't know. Rodents would have been more distant relatives. We are related to rodents because they are mammals but where in evolution that connection is I don't personally know.

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05-09-2014, 07:15 PM
RE: Did mammals evolve from rodents?
(05-09-2014 06:25 PM)Brian37 Wrote:  Mammals are all related of course, but as far as primates scientist are saying our earliest ancestors were tree monkeys. Before that though I don't know. Rodents would have been more distant relatives. We are related to rodents because they are mammals but where in evolution that connection is I don't personally know.

I don't think so. It was earlier than that.

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05-09-2014, 07:55 PM
RE: Did mammals evolve from rodents?
(05-09-2014 07:15 PM)Chas Wrote:  
(05-09-2014 06:25 PM)Brian37 Wrote:  Mammals are all related of course, but as far as primates scientist are saying our earliest ancestors were tree monkeys. Before that though I don't know. Rodents would have been more distant relatives. We are related to rodents because they are mammals but where in evolution that connection is I don't personally know.

I don't think so. It was earlier than that.

Starting at Puragatorius

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05-09-2014, 08:08 PM
RE: Did mammals evolve from rodents?
I guess what I was trying to get at was were our ancestors rodents?
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05-09-2014, 08:15 PM
RE: Did mammals evolve from rodents?
(05-09-2014 08:08 PM)Wicked Clown Wrote:  I guess what I was trying to get at was were our ancestors rodents?

Google evolutionary tree.


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