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On the other hand, fruits develop from the fertilized ovary of a flower after pollination. Their primary role is to protect the seeds during development and to aid in their dispersal, whether through wind, water, or animals. Fruits can be fleshy or dry and are classified based on their ...
Your friend is allergic to pollen. What should you remind him? A. Play in the flower garden every day B. Wear a mask when going out C. Smell the flowers closely D. Touch the flowers often 相关知识点: 试题来源: 解析 B。解析:对花粉过敏出去的时候应该戴口罩,A选项每天在花园里玩、C选项...
Macairea radula (Melastomataceae) has two stamen sets, poricidal anthers, pollen as the main floral resource and flowers visited by vibrating bees, a set of traits related to heteranthery. However, tristyly, which also predicts stamens differences within the same flower, has been proposed as...
of other flowers. Once fertilized, thepistilwill develop a fruit which has the potential to develop into a new plant. Many people are familiar with stamens and the pollen they carry because they tend to be prominent structures in a flower, as the flower wants to ensure that its pollen will...
plants. The male portion of the plant produces the pollen – typically in the flower. A long filament, called a stamen, holds the bits of pollen at the end and one of several pollinators take the pollen grains to the female part of the flower, which is called the pistil...
plants. The male portion of the plant produces the pollen – typically in the flower. A long filament, called a stamen, holds the bits of pollen at the end and one of several pollinators take the pollen grains to the female part of the flower, which is called the pistil...
根据第二段和第三段Their study found that air pollution can influence(影响) pollinators(传花粉者) - insects like bees and butterflies.Pollinators are important.They spread pollen(花粉) among plants with flowers.This helps the flower produce(产出)seed and fruit.Without pollinator...
Namely, as the plant matures, it will develop both buds and pollen sacs. As a result, you may end up with poor yields of poor-quality weed full of seeds. The most common reason this happens is plant stress. It could be due to an interruption in the dark period during flowering, ...
trees you plant that produces small-sized pollen. Certain trees can become a major allergy problem. It is your understanding of this, in combination with a knowledge of allergy-producing trees, that can help make the difference between an itch and sneeze-free day or a day of complete misery...