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        The Green Planet
            Why Elephants Eat the Baobab Tree
The elephant has a special relationship with the baobab, eating its fruit and spreading its seeds. The elephant also uses this tree as a key water source during migration, using it's water-rich inner wood to quench their thirst on long migrations. This damages the baobab, but it normally regenerates. Global warming has disrupted this cycle.
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            Sir David Attenborough reveals how humans help plants, many of which face extinction.
        
        
     
    
                            
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            Sir David Attenborough explores desert plants with survival tactics.
        
        
     
    
                            
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            Sir David Attenborough reveals the surprising effects of the seasons on plant life.
        
        
     
    
                            
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            Sir David Attenborough discovers amazing water plants, some of which can count and hunt.
        
        
    
                
                    
                        
                            
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            Sir David Attenborough takes a plants-eye view of life in a rainforest.
        
        
     
     
     
     
     
     
     
     
     
     
    