Science / Psychiatry / Symbiosis: A mutually reinforcing relationship between two persons who are dependent on each other; a normal characteristic of the relationship between the mother and infant child. See separation-individuation


Science / Biology / Endosymbiosis: Theory that attempts to explain the origin of the DNA-containing mitochondria and chloroplasts in early eukaryotes by the engulfing of various types of bacteria that were not digested but became perma MORE


Science / Biology / Protista: The taxonomic Kingdom from which the other three eukaryotic kingdoms (Fungi, Animalia and Plantae) are thought to have evolved. The earliest eukaryotes were single-celled organisms that would today be MORE


Science / Biology / Mutualism: A form of symbiosis in which both species benefit. A type of symbiosis where both organisms benefit. The classic example is lichens, which is a symbiosis between an alga and a fungus. The alga provide MORE


Science / Biology / Parasitism: A form of symbiosis in which the population of one species benefits at the expense of the population of another species; similar to predation, but differs in that parasites act more slowly than predat MORE