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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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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: 532

Ecological Niche

... wolf could occupy the same ecological niche, which means they then would have to compete for the same resources (prey). So there can be ecological niches such as: predator, herbivore, detrivore, etc.

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by SteveYst
Wed Oct 03, 2012 2:00 pm
 
Forum: Ecology
Topic: Ecological Niche
Replies: 2
Views: 5272

Re: Ecology : competition

... ways of exploiting them so as to reduce the need to with other similar appetites. Biologists call these special fields and modes of endeavor niches." I haven;'t read the quote but I think it means cases like humming birds and their particular flowers. Where you have two similar species ...

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by animartco
Sat Apr 28, 2012 11:24 am
 
Forum: Ecology
Topic: Ecology : competition
Replies: 10
Views: 3116

Re: Ecology : competition

... ways of exploiting them so as to reduce the need to with other similar appetites. Biologists call these special fields and modes of endeavor niches."

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by Juliesmile62
Fri Apr 27, 2012 4:38 pm
 
Forum: Ecology
Topic: Ecology : competition
Replies: 10
Views: 3116

Re: Theories - Origin of Life

... on the genetics, mate choice, ecology and morphology of these fish indicate that they are reproductively isolated and exploit alternative trophic niches in sympatry (Schluter & McPhail 1992; McPhail 1994;Taylor & McPhail 1999). Consequently, they fulfill the principal criteria of biological ...

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by scottie
Tue Mar 13, 2012 3:12 pm
 
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 548
Views: 534491
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