整顿 发表于 2025-3-25 06:38:51
https://doi.org/10.1007/978-1-4612-5536-9Metazoa; Strahlentierchen; ecology; morphology; phylogeny; predator无所不知 发表于 2025-3-25 09:11:00
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Morphology and Systematics, water column from the near surface to hundreds of meters depth. As with many planktonic organisms, their abundance in a geographical region is related to the quality of the water mass, including such variables as temperature, salinity, productivity, and available nutrients. They are largely nonmotiHormones 发表于 2025-3-25 16:39:40
Radiolarian Fine Structure and Cellular Specialization,lasm into well-defined, structurally stable regions (intracapsulum and extracapsulum) separated by a specialized membranous barrier is unique among the protozoa. This significant structural and physiological specialization becomes all the more apparent when analyzed by electron microscopy. A concept民间传说 发表于 2025-3-25 21:08:10
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standing the major patterns of biological productivity, trophic relations, community structure, and the dynamic interaction of living things with the physical environment. Not infrequently, this thrust has centered on the apparently most abundant and/or larger members of the plankton community, inclExclaim 发表于 2025-3-26 12:26:37
Introduction to Market Research,from marketing research. We explain what makes, or breaks, a successful market research study and describe when market research is most needed. We also provide a description of the different types of market research providers.CLASP 发表于 2025-3-26 14:48:04
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