| 1. | They do not occur in all flowering plants
并不是所有的开花植物都有反足细胞。 |
| 2. | Failure of blooming plants to flower . . . insufficient water or light , over fertilizing
开花植物不开花. . .水或光线不足，施肥过多。 |
| 3. | Mammals were flourishing , and flowering plants developed and radically changed the landscape
哺乳动物茂盛,并且开花植物开发了和根本地改变了前景。 |
| 4. | In flowering plants , for instance , the early stages of endosperm development are often acellular
例如在开花植物中，早期胚乳的发育通常是非细胞组成的。 |
| 5. | Rhododendron is the common name for a flowering plant of the heath family , which has more than 850 species
杜鹃花是石南属开花植物的俗名，其约有850多种种类。 |
| 6. | Provides concise information on all aspects of biology , from biochemistry and body systems to plants and history
-含开花植物不开花植物花的结构种子传播的方式。 |
| 7. | Orchidaceae plants form one of the biggest flowering - plant families and much attention has been paid to them in the world
摘要兰科植物是开花植物中最大的家族之一，现已受到全世界的重视。 |
| 8. | Bee pollen is a entirely natural material produced by the anthers of flowering plants and gathered by bees
蜂花粉是蜜蜂在开花植物的花粉囊里采集来的纯天然物质，它含有大量的蛋白质和多种营养物质。 |
| 9. | In flowering plants the endosperm tissue is usually triploid , resulting from the fusion of one of the pollen nuclei with the two polar nuclei
在开花植物中，胚乳组织多为三倍体，由一个花粉核和两个极核融合产生。 |
| 10. | The fossils offer clues to the evolution of the dinosaurs and shed new light on the rise of birds , mammals and flowering plants
这批化石为恐的演化提供了线索，并成为研究鸟类、哺乳类动物和开花植物的崛起等课题的新材料。 |
