wind [4]
water [5]
roots [5]
shoots [6]
carbon [6]
pollen [6]
dioxide [7]
seedling [8]
ejection [8]
explosion [9]
sprouting [9]
lifecycle [9]
nutrients[9]
pollinate [9]
dispersal [9]
pollination [11]
germination [11]
photosynthesis [14]