The stiffness of the medium depends on the speed of sound ; If the medium was more stiff, the sound would travel more quickly because the particles of the medium are compressed and spread out again; Sound also travels better over long distances in stiff objects because sound waves lose energy more slowly than in a less stiff object
Share this page: Greninja's egg groups: Water 1. The egg moves for Greninja are listed below, alongside compatible parent PokÃ©mon it can breed with. You will need to breed a female Greninja with a compatible male PokÃ©mon, with either one knowing the egg move in question. Alternatively, if you already have a Greninja with the egg move it can breed with Ditto.
Alternative Titles: archegonia, oogonia. Archegonium, the female reproductive organ in ferns and mosses. An archegonium also occurs in some gymnosperms, e.g., cycads and conifers. A flask-shaped structure, it consists of a neck, with one or more layers of cells, and a swollen baseâthe venterâwhich contains the egg. Neck-canal cells, located above the egg, disappear as the archegonium matures, thus producing a passage for entry of the sperm. The sperm are produced in the corresponding male reproductive organ, the antheridium. The female reproductive organ, or archegonium, emerging from a thalloid liverwort.