Mottled
发表于 2025-3-21 16:29:59
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Locale
发表于 2025-3-21 21:48:15
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现代
发表于 2025-3-22 03:40:01
Biochemical and molecular systematicserse, both in theory and in the operational aspects of gathering and handling data. A broad distinction should be made between the systematic studies of (a) the different classes of micromolecules or chemical phenotypes and (b) macromolecules which are more or less close to the core of hereditary in
ANNUL
发表于 2025-3-22 04:43:30
The speciesn biology and philosophy of science have contributed substantially to the debate. The literature concerning the theoretical and operational aspects of the species problem, as well as the related field of speciation mechanisms, has grown to an enormous size. Important monographs published during the
抛射物
发表于 2025-3-22 10:05:39
Resources and medias given by Gaston and May (1992), following an estimate provided in 1985 by the US National Science Foundation. By comparison, Gaston and May say 588 tax-onomists are working in Australia today. I estimate that there are 20 000–30 000 systematists working all over the world today. It is difficult to
终止
发表于 2025-3-22 16:22:04
The inventory of natural diversityked such questions, especially in these years of growing sensibility towards the tremendous decrease of biological diversity experienced on earth. Obtaining an estimate of existing diversity is a necessary step towards understanding the amount and value of the natural wealth we are currently destroy
胆小懦夫
发表于 2025-3-22 19:09:23
Towards the systemhat this distinction rests largely on tradition, rather than on sound theoretical reasons. However, it is true that, until recently, people interested in macrotaxonomy and people interested in microtaxonomy have been different. This dichotomy has been unfortunate, as little exchange of ideas has occ
原来
发表于 2025-3-22 22:32:46
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运动性
发表于 2025-3-23 01:41:08
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爆米花
发表于 2025-3-23 09:04:13
Some dangerous trends, and a hope for the future methods. Unfortunately, there is often a hiatus between the theoreticians who discuss the nature of species and homology, and the specialists working on a given group of animals, plants, or fungi. The gap between the frontiers of pure research and the application of principles is still very large,