Why and how did exclusive carnivores evolve?
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27-09-2012, 10:05 AM
Why and how did exclusive carnivores evolve?
Meat in an inefficient food source compared to plant material.

How/why in nature did animals evolved to exclusively live off meat? To me, it seems, that that is handicapping the animal and not furthering it.

Herbivores make sense, insectivores make some sense, and omnivores make the most sense... but... carnivores?

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27-09-2012, 10:22 AM
RE: Why and how did exclusive carnivores evolve?
Actually most herbivores don't make sense as they can't biosynthesize some of the essential amino acids. They rely upon extensive digestive systems and bacteria to synthesize them for them. The carnivores eat the meat and get them directly from the source. Meat is actually a lot easier to digest and the proteins and fat are more efficient for obtaining energy from.

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27-09-2012, 10:22 AM
RE: Why and how did exclusive carnivores evolve?
The wiki article on carnivores has a section on their history:

http://en.wikipedia.org/wiki/Carnivore#P...carnivores
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27-09-2012, 10:24 AM
RE: Why and how did exclusive carnivores evolve?
(27-09-2012 10:22 AM)TheBeardedDude Wrote:  Actually most herbivores don't make sense as they can't biosynthesize some of the essential amino acids. They rely upon extensive digestive systems and bacteria to synthesize them for them. The carnivores eat the meat and get them directly from the source. Meat is actually a lot easier to digest and the proteins and fat are more efficient for obtaining energy from.

Interesting. Thanks for that.

So, why evolve into anything but omnivores?

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27-09-2012, 10:27 AM
RE: Why and how did exclusive carnivores evolve?
(27-09-2012 10:24 AM)kingschosen Wrote:  
(27-09-2012 10:22 AM)TheBeardedDude Wrote:  Actually most herbivores don't make sense as they can't biosynthesize some of the essential amino acids. They rely upon extensive digestive systems and bacteria to synthesize them for them. The carnivores eat the meat and get them directly from the source. Meat is actually a lot easier to digest and the proteins and fat are more efficient for obtaining energy from.

Interesting. Thanks for that.

So, why evolve into anything but omnivores?

Environment/availability.

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27-09-2012, 10:28 AM
RE: Why and how did exclusive carnivores evolve?
Competition drives organisms to begin exploiting new resources that were previously untouched.

Niche partioning
Ecospace realization

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