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PLANT CLASSIFICATION (FLOWERING PLANTS (Are the biggest group Have…

- - - - Are the largest group of flowering plants
        . Flower of angiosperm PRODUCE FRUIT with SEED INSIDE
        
        LEAVES change colour in autumn
        Examples: rice (grasses), holly (bushes), orange trees (tree)
    - - Have small flowers
        
        Have hard and sharp leaves (needles)
        
        Produce seeds that grow in cones
        Examples: cedars (trees) yews (Bushes)
- - - - Have large leaves called FRONDS
        
        Produce spores inside SORI
        
        Have thick stem called RHIZOMES
        
        ROOTS grow underground
    - - Are primitive plants
        
        Have simple stems and leaves
        
        Produce spores inside capsules
        
        Do not have roots
        
        Have rhizoids, that hold the plant in the soil
- - - - PETIOLE
        
        Connects the blade to the plant´s stem
      - BLADE
        
        Is the flat part of the leaf
        
        Blade also contains:
        
        Veins:
        
        Support the leaves and contain water and minerals
        
        Stomata:
        
        Are tiny holes where gases exchange occurs
        
        Chlorophyl:
        
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- - - - All living organism need oxygen, but plants also produce it.
        
        During the Day ( Photosynthesis happens) plants produce Oxygen (O₂)they need and relese the rest to the atmosphere
        
        At night (photosynthesis stop) plant absorb oxygen and release Carbon dioxide (CO₂)