Fig. 1From: The creation of “Ecosystem Core” hypothesis to explain ecosystem evolutionA modern depiction of atomic structure. a The darker the color, the higher the probability that an electron will be at that point. b In a two-dimensional cross section of the electron in a hydrogen atom, the more crowded the dots, the higher the probability that an electron will be at that point. In both (a) and (b), the nucleus is in the center of the diagram [11]Back to article page