MILK
发表于 2025-3-26 23:38:30
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清洗
发表于 2025-3-27 03:55:51
Evolving Geographical Structures make the Cyprinidae the most speciose of fish families (Nelson, 1976). Cyprinid fishes have been the subject of several allozyme studies. However, given the number of species in the family, cyprinids have been underrepresented in such studies to date. Nevertheless, cyprinids have contributed to our
易碎
发表于 2025-3-27 08:30:49
and the Subject of Ocular Proof,(Futuyma, 1979). Within the major lakes of East Africa (Fryer and Iles, 1972) and smaller lacustrine systems in both Old and New Worlds (Taylor and Minckley, 1966; Trewavas .., 1972; Barlow, 1976; Taylor and Miller, 1982), endemic species display dramatic morphological and ecological adaptations. Pr
柔声地说
发表于 2025-3-27 12:01:47
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牙齿
发表于 2025-3-27 17:23:12
ext of "tradition"), morphological analysis alone is a poor tool for probing evolutionary processes or elucidating relationships. The concepts of "relationship" and of "evolution" are inherently genetic ones, and the genetic bases of morphological traits are seldom known in detail and frequently unknown entir978-1-4684-4654-8978-1-4684-4652-4
enmesh
发表于 2025-3-27 20:12:51
https://doi.org/10.1007/978-1-4842-3606-2..,1967; Schultz, 1969; Uzzell, 1970; White, 1973). The obligatory dependence on sperm that is a hallmark of gynogenetic reproduction compels . to behave in nature as a sexual parasite on closely related, sympatric bisexual species (Hubbs, 1964). Although a variety of poeciliid males can “father” .
heckle
发表于 2025-3-27 22:37:30
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暂时休息
发表于 2025-3-28 03:17:48
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ticlopidine
发表于 2025-3-28 07:36:09
and the Subject of Ocular Proof,new species arise? While substantial insights have been made in the areas of functional anatomy and ecology by Barel .. (1977), Greenwood (1981), Liem (1980), McKaye (1980), and their coworkers, the basic questions of trophic divergence and speciation have remained controversial (Sage and Selander,
antedate
发表于 2025-3-28 11:54:03
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