Evolutionary in the context of "Eukaryote"

Psychoanalytic theory is the theory of the innate structure of the human soul and the dynamics of personality development relating to the practice of psychoanalysis, a method of research and for treating of mental disorders (psychopathology). Laid out by Sigmund Freud in the late 19th century (s. The Interpretation of Dreams), he developed the theory and practice of psychoanalysis until his death in 1939. Since then, it has been further refined, also divided into various sub-areas, but independent of this, Freuds structural distinction of the soul into three functionally interlocking instances has been largely retained.

Psychoanalysis with its theoretical core came to full prominence in the last third of the twentieth century, as part of the flow of critical discourse regarding psychological treatments in the 1970s. Freud himself had ceased his physiological research of the neural brain organization in 1906 (cf. history). shifting his focus to psychology and the treatment of mental health issues by using free associations and the phenomenon of transference. Psychoanalysis is based on the distinction between unconscious and conscious processes, and emphasized the recognition of childhood events that influence the mental functioning of adults. Freud's consideration of human evolutionary history (genetics) and then the aspect of individual psychological development in cultural contexts gave the psychoanalytic theory its characteristics.

Paleobiology (or palaeobiology) is an interdisciplinary field that combines the methods and findings found in both the earth sciences and the life sciences. An investigator in this field is known as a paleobiologist.

Paleobiology is closely related to the field of paleontology, although the latter focuses primarily on the study and taxonomic classification of fossil records, while paleobiology incorporates a broader ecological, evolutionary and geological perspectives of the history of life on Earth. It is also not to be confused with geobiology, which focuses more on the contemporary interactions between the modern biosphere and the physical Earth.

Evolutionary taxonomy, evolutionary systematics or Darwinian classification is a branch of biological classification that seeks to classify organisms using a combination of phylogenetic relationship (shared descent), progenitor-descendant relationship (serial descent), and degree of evolutionary change. This type of taxonomy may consider whole taxa rather than single species, so that groups of species can be inferred as giving rise to new groups. The concept found its most well-known form in the modern evolutionary synthesis of the early 1940s.

Evolutionary taxonomy differs from strict pre-Darwinian Linnaean taxonomy (producing orderly lists only) in that it builds evolutionary trees. While in phylogenetic nomenclature each taxon must consist of a single ancestral node and all its descendants, evolutionary taxonomy allows for groups to be excluded from their parent taxa (e.g. dinosaurs are not considered to include birds, but to have given rise to them), thus permitting paraphyletic taxa.