噱头
发表于 2025-3-23 09:54:21
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indignant
发表于 2025-3-23 16:22:12
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痛打
发表于 2025-3-23 18:28:45
Fundamentals of Botany Serieshttp://image.papertrans.cn/v/image/980769.jpg
milligram
发表于 2025-3-24 00:30:00
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nepotism
发表于 2025-3-24 03:52:53
Frank B. Salisbury,Robert V. Parkeal threats tend to encourage long-run economic growth in politically stable and economically open nations and to retard long-run economic growth in politically unstable and economically closed nations.
不可侵犯
发表于 2025-3-24 10:12:32
Sexual Reproduction,tes and the specialized organs concerned with this function. In the broad sense, however, the process must also involve the production of spores — in short, the entire life cycle of sexually reproducing organisms.
inclusive
发表于 2025-3-24 11:55:43
The Vascular Plants,group of living things, the .. In this chapter, we will define the vascular plants and survey some of their members and the apparent relationships within the group. The survey is rather brief, because much of the rest of the book is concerned with a more detailed description of vascular plants, especially the more advanced groups.
abject
发表于 2025-3-24 17:56:30
The Generalized Plant Cell,kingdoms, we see that there are many so-called simple or primitive organisms existing as unicellular individuals throughout their entire lives, in significant contrast to the higher or more advanced organisms which are, almost without exception, multicellular.
Compass
发表于 2025-3-24 19:33:11
Stem and Root Growth in Response to Hormones,d in Chapter 6). We know that the basic pattern is cell division, cell enlargement, and cell differentiation, and most investigation so far has been confined primarily to the second step in the pattern, cell enlargement or elongation. Also, the study of isolated roots can tell us something about growth in general.
Emg827
发表于 2025-3-25 00:52:59
The Secondary Plant Body,ssue may be insignificant in the herbaceous forms or in the case of shrubs and trees it may eventually make up most of the vegetative plant body. Of course, leaves, with their determinate mode of growth, are almost always composed of primary tissues only.