抱狗不敢前
发表于 2025-3-30 11:31:14
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做事过头
发表于 2025-3-30 15:09:56
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instructive
发表于 2025-3-30 16:55:23
Symbiosis,l contact. For some biologists, symbiosis includes “parasitism”, in which one member of the association, the host, suffers while the parasite gains from it; “mutualism” in which both components co-operate and gain from the interaction; and “commensalism” in which the association is neutral for one o
喃喃诉苦
发表于 2025-3-30 22:13:59
Marine Habitats,lected during the Challenger expedition (see Fig. 9.4b). Another early study of Lohmann (1911) who discussed the significance of small heterotrophic protists in seawater and the memoirs of Kahl (1928, 1933) provided information on marine ciliate biota including pelagic forms.
吹气
发表于 2025-3-31 01:02:10
Protozoan Communities in Freshwater Habitats,, pulmonate snails, and cladocerans are either completely absent or quantitatively unimportant, filling only specialized or marginal niches. Conversely, corals, tunicates, echinoderms, and other important groups of invertebrates are entirely absent from freshwater. With regard to protozoan communiti
Jacket
发表于 2025-3-31 05:38:31
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