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Flowers

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2020

   
 
     
 

The primary purpose of a flower is reproduction.

Since the flowers are the reproductive organs of plant, they mediate the joining of the sperm, contained within pollen, to the ovules - contained in the ovary.

Pollination is the movement of pollen from the anthers to the stigma. The joining of the sperm to the ovules is called fertilization. Normally pollen is moved from one plant to another, but many plants are able to self pollinate.

The fertilized ovules produce seeds that are the next generation. Sexual reproduction produces genetically unique offspring, allowing for adaptation.

Flowers have specific designs which encourages the transfer of pollen from one plant to another of the same species.

Many plants are dependent upon external factors for pollination, including: wind and animals, and especially insects. Even large animals such as birds, bats, and pygmy possums can be employed.

The period of time during which this process can take place (the flower is fully expanded and functional) is called anthesis. The study of pollination by insects is called anthecology.

     
 
     
 
 
 

2021

   
 
     
 
     
 
     
 
     
     
 
     
 
     
 
     
 
    Spring is here!
     
 
     
     
 
     
     
 
     
     
 
     
 
     
     
 
     
 
     
     
 
     
     
 
     
     
 
     
 
     
     
     
 
     
 
     
   
     
     
 
     
 
     
     
 
     
     
 
     
 
     
 
     
     
 
     
 
     
 
     
     
 
     
     
 
     
     
 
     
     
 
     
     
     
 
     
 
     
     
 
     
 
     
 
     
 
     
     
 
     
     
 
     
 
     
 
     
 
     
 
     
 
     
 
     
     
 
     
 
     
 
     
 
     
     
 
     
 
     
     
   
     
 
     
 
     
   
     
     
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