When forests have been cut down, new native trees can be planted
The primary source of stem thickening in plants is the vascular cambium. It is a plant tissue located between the phloem and the xylem and in the root of a vascular plant. It is the source of secondary growth or the radial growth of the stem of a plant.
He self pollinated them. He removed the male parts of the flower so he could control pollination
People have manipulated the genome of horses and ponies in the lab to produce the breeds we know today
Creative persistence is often useful when one is designing an experimental paradigm for example. It is useful tweaking different parameters of an idea which is much easier when one is creative - this is also at the core of scientific research very often.
