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David Lack Quotes

On consideration, it is not surprising that Darwin’s finches should recognize their David Lack Picture Quote

Food Quotes, Serve Quotes

On consideration, it is not surprising that Darwin's finches should recognize their own kind primarily by beak characters. The beak is the only prominent specific distinction, and it features conspicuously both in attacking behaviour, when the birds face each other and grip beaks, and also in courtship, when food is passed from the beak of the male to the beak of the female. Hence though the beak differences are primarily correlated with differences in food, secondarily they serve as specific recognition marks, and the birds have evolved behaviour patterns to this end.

— David Lack

The fundamental problem in the origin of species is not the origin David Lack Picture Quote

Appearance Quotes

The fundamental problem in the origin of species is not the origin of differences in appearance, since these arise at the level of the geographical race, but the origin of genetic segregation. The test of species-formation is whether, when two forms meet, they interbreed and merge, or whether they keep distinct.

— David Lack

Rumour has it that the gardens of natural history museums are used David Lack Picture Quote

Picture Quotes

Rumour has it that the gardens of natural history museums are used for surreptitious burial of those intermediate forms between species which might disturb the orderly classifications of the taxonomist.

— David Lack

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