The system needed to be overhauled so that entire neighborhoods could be certified, not just buildings. Thatâs why NRDC teamed up with the Congress for the New Urbanism and the U.S. Green Building Council to launch LEED for Neighborhood Development, or LEED-ND, in 2010.
Young newly sprouted plants are called seedlings. They are what  grows directly after germination takes place. These plants then  grow into the adult plants.
When ripe pollen from an anther of the same kind of flower catches on the stigma, each pollen grain sends out a tiny threadlike tube. The tube grows down through the style and pierces one of the ovules in the ovary. This process is called fertilization. Each ovule must receive the contents of the pollen tube before it can develop into a seed. It usually takes the tube from.