>>12545845They can reproduce with Ditto, as it acts as an alive incubator for the X chromosome but since Ditto's transformation is partial it creates the Y chromosome (in the process of trying to mimic the X chromosome and failing) thus creating the chromosome needed for a male.
>>12545869Legendary Pokemon have not been studied fully but it is an accepted theory that Legendary Pokemon are the result of Unique mutations on already existing Pokemon, and yes, the result is very unstable DNA for breeding.
>>12545872Grass-type Pokemon are essentially sentient plants, producing leaves, vines and such is just part of what they are.
Rock-type Pokemon use the Sedimentary process in which small particles of sand or mud are compacted. Since this is their main defense mechanism they can speed up this process, something that could take nature thousands of years takes Pokemon a few seconds.
