Saturday 24 November 2012

Plant survival

These fruits are dispersed by water. They are covered with waxy skin.It prevents water from entering the fruit. Air spaces in the husk help the fruit to fruit.
Examples: coconut 

                
                                                pong-pong

These seeds and fruits are dispersed by wind. They are small, light, dry and have wing-like structure or fine hair. These characteristic help them to be flown for far away easily.
Examples: angsana  
      kapok

These seeds and fruits are dispersed by animals. Most of these fruits are brightly coloured, fleshy, edible and have smells. The seeds are usually hard.
Examples: mango 

       watermelon


Some fruits have hooks that can be attracted to animals.
Examples: mimosa 
          















These fruits disperse their seeds by explosive mechanism. They dry up and burst to push the seeds to push the seeds out from the fruits.
Examples: balsam
               
                 rubber seeds 

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