EXUDE
发表于 2025-3-26 22:50:59
Degrees of reproductive isolation between closely related species of Hawaiian ,cies (Dobzhansky 1970; Mayr 1970). Diverging populations must therefore acquire some means of reproductive or genetic isolation from one another in the course of species formation. If such isolation is to be fully effective, the mechanisms responsible must be an inherent property of the species: thi
Biomarker
发表于 2025-3-27 04:24:26
Effects of dispersal, habitat selection and competition on a speciation pattern of , endemic to Hawaexamined natural populations seeking to observe actual cases of partial reproductive isolation which may eventually lead to speciation (e.g. the work reported by Dr. G. L. Bush in this volume) or to analyze recent speciation events . (e.g. the case in this paper). The discovery that two closely rela
growth-factor
发表于 2025-3-27 08:04:23
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cloture
发表于 2025-3-27 12:40:05
Patterns of speciation in Hawaiian , inferred from ancient chromosomal polymorphismndicated that some of them must have existed in the balanced state in populations for a considerable number of generations. How long this has been in the geological sense, however, is not clear, although in some cases, attempts at an estimate have been made (e.g. Mayr 1945; Stebbins 1945).
Chronic
发表于 2025-3-27 16:28:07
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不溶解
发表于 2025-3-27 19:27:03
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PAC
发表于 2025-3-28 01:57:54
Das Sorgenkind im ersten Lebensjahraduate research assistants have taken part in this study. The stock center for the Hawaiian species has been established and is being maintained at the University of Texas. The species now in culture are available for experimental use by qualified researchers.
HERTZ
发表于 2025-3-28 03:17:20
Introduction and background informationaduate research assistants have taken part in this study. The stock center for the Hawaiian species has been established and is being maintained at the University of Texas. The species now in culture are available for experimental use by qualified researchers.
excursion
发表于 2025-3-28 08:29:27
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散步
发表于 2025-3-28 11:48:52
Speciation in the Australian Morabine Grasshoppers — taxonomy and ecology, employing in part numerical taxonomic methods. All the species are attenuate and completely apterous. ., otherwise a fairly typical morabine, has the distinction of being the only known obligatorily parthenogenetic species among the short-homed grasshoppers (White, Cheney, and Key 1963).