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
  • 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
  • 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: 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
  • 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 are Pollinators | Pollinator. org
    Pollination occurs when pollen is moved within flowers or carried from flower to flower by pollinating animals such as birds, bees, bats, butterflies, moths, beetles, or other animals, or by the wind
  • Pollination and Pollinators - Penn State Extension
    What Is Pollination? Pollination is the transfer of pollen from the anthers of a flower to the stigma of the same flower or another flower The result is the production of fertile seeds When the pollen transfer happens within the same flower, it is called "self-pollination "
  • A Beginner’s Guide to Pollination - A-Z Animals
    Pollination is crucial to plant life, but it also affects us in ways that go beyond farmland Here's your guide to all things pollination





中文字典-英文字典  2005-2009