试题来源: 解析 C。解析:种子(seed)包含着新植物的胚,是植物繁殖的重要结构。果实(fruit)主要是保护种子并有助于种子传播,不包含胚本身,A错误。花粉(pollen)是雄性生殖细胞,不是包含胚的结构,B错误。花朵(flower)是繁殖器官,但本身不包含新植物的胚,D错误。反馈 收藏 ...
- The stamen consists of two main parts: the anther and the filament. The anther is the part that produces pollen. 3.Identifying the Carpel: - The carpel (or pistil) is the female reproductive part of the flower. It consists of three parts: the stigma, style, and ovary. 4.Defining th...
A flower is a special part of the plant. Flowers are also called the bloom or blossom of a plant. Inside the part of the flower that has petals are the parts which produce pollen and seeds.,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商
For reproduction to succeed, the pollen must be transferred from the male part of a flower to the female part. 为了成功繁殖,花粉必须从花朵的雄性部分转移到雌性部分。 习题: They do this by pollinating the plant, which means to transfer pollen. Many plants depend on pollination for reproduction....
[OBJECTIVE]The plant pollen in 18 kinds of commodity honey in China was researched by the determination method of plant pollen in honey. [METHOD]The result shows, it is different on shape,content and concentration of pollen in different kinds of honey.[CONCLUSION] The variety and quality of ...
Pollination occurs when pollen is moved within a plant's flower or carried to another flower. This is how the plants reproduce. For reproduction to succeed, the pollen must be transferred from the male part of a flower to the female part. ...
The growth of incompatible pollen tubes was confined to the stigma while compatible pollen was at the base of the style after eight hours. The only remarkable thing about these F1 families is that the mating types in crosses with 0. runcinata as the male parent show a striking deviation ...
epistaxis and heals injuries. It is used for febrile conditions in children. The name refers to the fruit that forms in small bunch. Uvaria chamae is a medicinal plant used for treating fevers and possess antibiotic properties. It is introduced to other parts of Africa and elsewhere in tropics...
Firstly, that nobody really remembered Auchtermuchty Distillery (just an example) and, secondly, that the new whiskies created in tribute to these forgotten distilleries were actually quite good. Of course, we can't verify if the one we have in our glass truly resembles Dalaruan, but we'll...
Pollination occurs when pollen is moved within a plant's flower or carried to another flower. This is how the plants reproduce. For reproduction to succeed, the pollen must be transferred from the male part of a flower to the female part. ...