In a flower, the part that holds the pollen is the ___. A. stamen B. pistil C. sepal D. ovary 相关知识点: 试题来源: 解析 A。解析:本题考查花朵结构。雄蕊(stamen)是花朵中承载花粉的部分。雌蕊(pistil)是接受花粉的部分,萼片(sepal)主要起保护作用,子房(ovary)是雌蕊的一部分,主要与结果相关...
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....
Bees are a big part of the life cycle of plants,carrying pollen from one flower to another and allowing plants to produce their frequently yummy output.But with bee populations on the decline,what can take their place?How about soap bubbles(肥皂泡)?It may sound fantastical.But Eijiro Miyako...
For reproduction to succeed, the pollen must be transferred from the male part of a flower to the female part. (1) Honeybees play an interesting and important role in nature. (2) In addition to making honey, honeybees help many plants reproduce. ...
The part of the plant that is responsible for reproduction is flower. Most of the flowing plant undergoes sexual reproduction. The flowers can...Become a member and unlock all Study Answers Start today. Try it now Create an account Ask a question Our experts can answer your tough ...
A. plants don’t flower in cold weather B. people usually wear thick clothes C. pollen is active below freezing point D. the weather is not too cold for viruses What will happen if one’s breathing passages get blocked? A. It is nothing serious. B. One’s life is at risk. C. ...
The perfume it produces on its firstevening attracts beetles. They bring with thempollen from other lilies, so this flower is aboutto be fertilized. But then the lily closes itspetals. The beetles will be held captive insidefor 24 hours.Part B Role Play(角色扮演)In this part, you are ...
other words a person's immune system overreacts and produces an allergic reaction. The most common reactions include skin rashes (皮疹) itching breathing problems and swellingin areas such as the face. 1. Allergies seldom occur in winter because ___. [ ] A. plants don't flower in cold we...
What is the type of cell division that occur in the apical meristem of the plant? Which part of the flower becomes a fruit after fertilization? What part of a carpel is involved in germination, growth, and function of a pollen tube? What is an aster's main function in cell division?