It's about science.. It's about getting DNA from a living thing and then using it to make replicates, thus making "copies" of the original living thing from which the DNA has been taken from.
A clone is an organism that is genetically identical to the organism from which it was produced! :)P.S. - Cloning is like creating twin. The created twin will be far younger than the organism from...
Because plants have many more stem cells, not only at meristems, regions of growth where unspecialised cells are actively dividing, but all through the plant. Adult cells easily revert to stem cells...