Completar Frases Pollination and fertilizationVersión en línea Fill in the gaps with the appropriate words. por Gabriel Pérez Comendador 1 seed pollen zygote tube ovule tube stigma spermatozoid seed stigma fertilization open zygote wind ovule seed embryo top The grains of are transported by the or by the insects to the top part of the pistil , called the . It sticks to the part of the pistil , called the . The pollen covering breaks and forms a pollen which grows down towards the - buds . The travels down the pollen and , inside the - buds , meets the and fertilizes it . This process is called . Then , a fertilized develops into a . The grows and develops into an which grows into a .
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