审问,审讯
发表于 2025-3-30 09:10:28
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可卡
发表于 2025-3-30 13:42:49
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栖息地
发表于 2025-3-30 19:25:08
https://doi.org/10.1007/978-3-531-90890-8(architomy) or sexual reproduction. The number of ova per cocoon varies from 5 to 20 (x̄ = 10.9). The generation period (from cocoon to next cocoon) varies from 14 to 39 days (x̄ = 26.1) according to the period of the year. The number of generations per year is between 7.3 and 26.1 (x̄ = 14). A matu
vitreous-humor
发表于 2025-3-30 22:38:03
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全部逛商店
发表于 2025-3-31 03:29:06
https://doi.org/10.1007/978-3-531-90890-8perimental glass enclosures immersed . and filled with pond water receiving injections of fertilizers (P.O.) and natural filtered periphyton extracts (particles < 70 .m). The growth rate of the experimental populations was not significantly affected by the concentration of fertilizers added to cultu
无法治愈
发表于 2025-3-31 07:34:53
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Cougar
发表于 2025-3-31 12:44:18
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思想流动
发表于 2025-3-31 13:38:55
https://doi.org/10.1007/978-3-531-90982-0heir circular muscles, whereas longitudinal muscles show significant differences, allowing an easy identification of the various worm species. In particular, differences are noticeable in the external longitudinal layer. These observations suggest that structural and ultrastructural muscle fiber organizations can be used as a taxonomic tool.
含糊其辞
发表于 2025-3-31 17:50:06
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MAOIS
发表于 2025-3-31 22:12:13
Did the lumbriculids provide the ancestors of the branchiobdellidans, acanthobdellidans and leeches?ngle line of evolution between lumbriculids, branchiobdellidans, and leeches, supports the alternative hypothesis of an independent origin of most if not all of these groups. Discovery of ., a lumbriculid that is clearly convergent with . in terms of the pharynx, lends further support to this concep