Dictionary » N » Niches

Niches

niche

A cavity, hollow, or recess, generally within the thickness of a wall, for a statue, bust, or other erect ornament. Hence, any similar position, literal or figurative. Images defended from the injuries of the weather by niches of stone wherein they are placed. (Evelun)

Origin: F, fr. It. Nicchia, prop, a shell-like recess in a wall, fr. Nicchio a shellfish, mussel, fr. L. Mytilus.


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The influence of area on the number of species

... half of the original species? It is just a generalization, so don't take it as gospel. I think it works because as area increases the number of niches doesn't increase at the same rate. You get a certain amount of redundancy build up as area increases and the same species fill up more area. ...

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by BasicBiology
Wed Sep 24, 2014 7:12 am
 
Forum: Ecology
Topic: The influence of area on the number of species
Replies: 7
Views: 3195

Is complexity inevitable?

... part of your post essentially says that there may be a high probability for the emergence of traits that trascend the requirements of specific niches. I agree, but I don't see how the reproductive barriers have anything to do with it. I think I heard somewhere that homo sapiens may have come ...

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by cakrit
Sat Oct 19, 2013 1:50 pm
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 10872

Re: Is complexity inevitable?

... of small particles like electrons (and photons :?: ). But back to biology . Have you considered that the human niche is actually a collection of niches? Most organisms cannot change their niche significantly without centuries evolution, but we appear to transcend that with our intellectual responsiveness. ...

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by wildfunguy
Fri Oct 18, 2013 1:55 am
 
Forum: Evolution
Topic: Is complexity inevitable?
Replies: 16
Views: 10872

Species Perfection?

The problem is that the parameters aren't acheivable. There do seem to be species in stable niches that themselves have stabilized, but that's the closest you'll get.

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by Darby
Tue Jul 16, 2013 5:48 pm
 
Forum: Evolution
Topic: Species Perfection?
Replies: 3
Views: 2304

On the number of limbs.

Insects and spiders are more diverse because there are more potential niches for them.

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by Darby
Mon Feb 18, 2013 11:38 pm
 
Forum: Evolution
Topic: On the number of limbs.
Replies: 7
Views: 4046
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