life cycle

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Author:
jjacobo
ID:
245193
Filename:
life cycle
Updated:
2013-11-05 12:46:23
Tags:
biology
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Description:
e2020
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  1. pollination
    Transfer of pollen grains to the female part of a seed plant by agents such as gravity, water, wind, and animals.
  2. polar nuclei
    Two nuclei in the center of the egg sac of a flowering plant that become the triploid (3n) endosperm when joined with a sperm during double fertilization.
  3. double fertilization 
    Anthophyte fertilization in which one sperm fertilizes the egg and the other sperm joins with the central cell; results in the formation of a diploid (2n) zygote and a triploid (3n) endosperm.
  4. endosperm
    Food storage tissue in an anthophyte seed that supports development of the growing embryo.
  5. dormancy
    Period of inactivity in a mature seed prior to germination.
  6. germination
    Beginning of the development of a plant embryo into a new plant.
  7. radicle
    Embryonic root of an anthophyte embryo; the first part of the young sporophyte to emerge during germination.

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