Benign
发表于 2025-3-28 14:50:37
Roger Buvataftssystems angezeigt, um die herrschenden Funktionszusammenhänge aufzubrechen und eine langfristige positive wirtschaftliche Entwicklung zu ermöglichen. Unter einer Systemtransformation ist dabei eine umfassende Änderung der Regeln bzw. der Ordnung, innerhalb derer sich jedwede ökonomische Betätigu
FLIC
发表于 2025-3-28 20:59:57
General Characteristics of Vascular Plantslogical: they are sporophytic organisms constituted of stems, which generally bear leaves, and roots. Only two living genera are an exception to this rule: the . and the ., which are the most ancient vascular plants and have no roots.
蜡烛
发表于 2025-3-29 01:55:16
The Two Phases of Sporophyte Development, most of them live on the ground and in the air, a medium often unfavourable to life. So it is not surprising to see that all these plants use more or less sophisticated means to avoid problems of the medium to the first stages of their sporophyte development. This development can be divided into t
知识
发表于 2025-3-29 06:10:19
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高贵领导
发表于 2025-3-29 10:48:17
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gout109
发表于 2025-3-29 12:52:56
Cytology of the Processes of Differentiation and Dedifferentiation During the Ontogeny of Vascular Pnts concerns, on the one hand, the diversification of cells derived from meristematic proliferation, i. e. the cells concerned with the formation of all the various tissues of the plant and, on the other hand, with the production of more or less specialized cells that regain the condition of meriste
aesthetic
发表于 2025-3-29 18:52:39
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–LOUS
发表于 2025-3-29 21:33:08
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textile
发表于 2025-3-30 01:14:18
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Fissure
发表于 2025-3-30 05:40:31
Secretory Cells and Secretory Tissuesls are specialized cells derived from elements belonging to other tissues, mainly epidermis or parenchymatous tissues. In such cases, they do not constitute true independent tissues and it is justified to speak of secretory parenchymas or secretory epidermis.