英文字典中文字典


英文字典中文字典51ZiDian.com



中文字典辞典   英文字典 a   b   c   d   e   f   g   h   i   j   k   l   m   n   o   p   q   r   s   t   u   v   w   x   y   z       







请输入英文单字,中文词皆可:

pollination    音标拼音: [p,ɑlən'eʃən]


安装中文字典英文字典查询工具!


中文字典英文字典工具:
选择颜色:
输入中英文单字

































































英文字典中文字典相关资料:


  • Pollination - Wikipedia
    Self-pollination occurs within a closed flower Pollination often occurs within a species When pollination occurs between species, it can produce hybrid offspring in nature and in plant breeding work
  • Pollination | Definition, Process, Types, Agents Of, Facts | Britannica
    Pollination is the transfer of pollen grains from the male stamens to the ovule-bearing organs or to the ovules (seed precursors) themselves As a prerequisite for fertilization, pollination is essential to the production of fruit and seed crops
  • Pollination: Definition, Types, and Process - Science Facts
    What is pollination in plants How does it work Learn its types, facts, importance, and process with steps pictures Check out a few examples of pollinators
  • What is Pollination? - US Forest Service
    Pollination is the act of transferring pollen grains from the male anther of a flower to the female stigma The goal of every living organism, including plants, is to create offspring for the next generation
  • Pollination: Types, Agents, Process, and Importance
    Pollination is the pre-fertilization event in which the transfer of pollen grain takes place from the anther of the flower to the stigma of the same plant or different plant Pollen is transferred by other agents such as wind, water, gravity, animals, insects, or humans
  • What Is Pollination and Why Is It Important for Plants
    Pollination is the transfer of pollen grains from the male part of a flower, known as the anther, to the female part of the flower, called the stigma Pollen contains the male gametes (sperm cells) necessary for fertilizing the ovules inside the ovary of the flower
  • The Why, What, When, Where, Who, How of Pollination
    When does pollination happen? Successful pollination requires year-round efforts Plants evolved with differing flowering times that decrease competition among pollinators Continuous blooms throughout the growing season provide pollinators with a constant food supply
  • Pollination Explained - YouTube
    Pollination involving the same plant is referred to as self-pollination, regardless of which flowers are involved Pollination involving two flowers of separate plants is called cross
  • Types of Pollination - GeeksforGeeks
    Pollination is transferring pollen from the male anther to the female stigma of a plant It forms an essential part of the plant reproduction process that leads to fertilization and the production of seeds There are two types of pollination: Self-pollination and cross-pollination
  • Why Pollinators Matter More than You Think | Earth. Org
    Bees are crucial pollinators, but they’re not the only one The truth is that the world cannot survive without pollinators Of the 1,400 crop plants grown globally, those that provide our food and many plant-based industrial products, nearly 80% rely on animal pollination





中文字典-英文字典  2005-2009