| 单词 | plant kingdom - older system |
| 释义 | Plant kingdom - older systemPlant kingdom - older systemCHLOROPHYLL. The system in which the plant kingdom has in the past been organized is given on page 377. In the more recent classifications, based on genetic structure and sequences, only the Bryophyta and Tracheophyta are included in Plants in the strict sense, groupings above the dotted line being placed in other categories of kingdom-equivalent status. see CLASSIFICATION. |
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