丰满有漂亮
发表于 2025-3-30 08:29:45
https://doi.org/10.1057/9780230601123ely earlier. The zooids of paratomic species live some weeks or months, their clones usually less than a year, rarely for some years. In the species with facultative architomy (fragmentation) the clonal age also exceeds that of the individual, both lasting for several years. The actual lifetime of w
巨硕
发表于 2025-3-30 13:50:03
Matthias Neuber,Adam Tamas Tuboly of reproduction from April to June throughout its distribution in the river. Recruitment of juveniles takes place chiefly from June to August and most of the worms attain maturity in the following spring. In culture at 15 °C worms had attained 38 mm within 90 days of hatching and showed early signs
龙虾
发表于 2025-3-30 17:32:42
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isotope
发表于 2025-3-30 20:55:51
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intercede
发表于 2025-3-31 01:12:40
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CURL
发表于 2025-3-31 07:32:00
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jaundiced
发表于 2025-3-31 10:47:06
Developments in Hydrobiologyhttp://image.papertrans.cn/b/image/160520.jpg
同步信息
发表于 2025-3-31 13:24:19
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accessory
发表于 2025-3-31 19:56:44
Growth of , (L.) (Oligochaeta, Naididae)The peculiarities of the growth in weight and length of . (L.) on the basis of observations in experimental vessels are considered. The growth of this species fits a parabolic curve. The equations relating weight to absolute growth rate as well as weight to duration of life are given.
expository
发表于 2025-3-31 23:26:20
Two atavistic characters of some Lumbriculidae and their importance for the classification of Oligochat the posterior location of funnels and sperm ducts is the result of a forward shift of the atria, which refutes Stephenson’s supposition that the Lumbriculidae is the most archaic family of the present-day Oligochaeta.