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Finches

Finch

Origin: as. Finc; akin to D. Vink, OHG. Fincho, g. Fink; cf. W. Pinc a finch; also E. Spink.

(Science: zoology) a small singing bird of many genera and species, belonging to the family Fringillidae.

The word is often used in composition, as in chaffinch, goldfinch, grassfinch, pinefinch, etc. Bramble finch. See brambling. Canary finch, the canary bird. Copper finch. See Chaffinch. Diamond finch. See diamond.

(Science: zoology) finch falcon, one of several very small East indian falcons of the genus Hierax. To pull a finch, to swindle an ignorant or unsuspecting person. Privily a finch eke could he pull.


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Natural selection is proven wrong

... might still be exceptions where species can interbreed, but at least this sets the record straight by including "subspecies". darwin finches interbreed https://www.researchgate.net/publication/8887990_Inbreeding_and_interbreeding_in_Darwin%27s_finches Thus the two interbreeding species ...

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by gamila
Tue Sep 01, 2009 6:55 am
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16708

Re:

... quanitative trait, determined by multiple genes. Another example which is from a natural situation is beak size in birds. In particular, Darwin's finches in the Galapagos islands. During a period of drought, small-seed plants began to dominate the flora and there was selective pressure for reduced ...

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by robsabba
Thu Aug 27, 2009 2:48 pm
 
Forum: Evolution
Topic: Natural selection is proven wrong
Replies: 177
Views: 16708

Re: Diversifying selection

... there is a big beak finch on one of the islands eating the big nuts that only grow on that island. And on another island, there is only small beak finches because there is only small seeds on this island for them to eat. Thus together, there is only 2 variations. There can be no intermediates and ...

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by kolean
Wed Jul 08, 2009 3:23 am
 
Forum: Evolution
Topic: Diversifying selection
Replies: 15
Views: 457

Diversifying selection

... is still there for a black rabbit to mate with a white rabbit, especially if acid rain makes all the stones turn into gray stones. With the finches, it was small beak vs. big beak depending on the type of seed that grew on which of the islands. Even though the middle variation dies out, ...

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by kolean
Tue Jul 07, 2009 12:38 am
 
Forum: Evolution
Topic: Diversifying selection
Replies: 15
Views: 457

Diversifying selection

... variation. So I am unsure what the overal effect of diversifying selection is-increase in variation or decrease? For example, in the galapagos finches, the diversifying selection within a single population-would it lead to an increase or decrease in variation?

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by Juanita1
Mon Jul 06, 2009 9:50 pm
 
Forum: Evolution
Topic: Diversifying selection
Replies: 15
Views: 457
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