Search results
Results from the WOW.Com Content Network
Physiognomy as a practice meets the contemporary definition of pseudoscience [1] [2] [3] and is regarded as such by academics because of its unsupported claims; popular belief in the practice of physiognomy is nonetheless still widespread and modern advances in artificial intelligence have sparked renewed interest in the field of study.
Charles Darwin considered the evolution of eusociality a major problem for his theory of natural selection. In The Origin of Species, he described the existence of sterile worker castes in the social insects as "the one special difficulty, which at first appeared to me insuperable and actually fatal to my whole theory". In the next paragraph of ...
Phylogenies showing the terminology used to describe different patterns of ancestral and derived trait states. [1] Imaginary cladogram. [2] The yellow mask is a plesiomorphy for each living masked species, because it is ancestral. [2]
Phenotypic plasticity refers to some of the changes in an organism's behavior, morphology and physiology in response to a unique environment. [1] [2] Fundamental to the way in which organisms cope with environmental variation, phenotypic plasticity encompasses all types of environmentally induced changes (e.g. morphological, physiological, behavioural, phenological) that may or may not be ...
Evolutionary game theory (EGT) is the application of game theory to evolving populations in biology. It defines a framework of contests, strategies, and analytics into which Darwinian competition can be modelled.
The Willi Hennig Society, an organization devoted to the advancement of cladistic principles in systematic biology, was founded in 1981. The society publishes the journal Cladistics . A symposium, Willi Hennig (1913-1976): His Life, Legacy and the Future of Phylogenetic Systematics , was held in London by the Linnean Society of London on 27 ...
The somites (outdated term: primitive segments) are a set of bilaterally paired blocks of paraxial mesoderm that form in the embryonic stage of somitogenesis, along the head-to-tail axis in segmented animals.
This theory said that neither bone nor cartilage is a major determinant of growth but soft tissue is. His view stated that as soft tissues around the jaw and face grow, bone and cartilage follow the growth of these soft tissues. Dr. Profitt in his Contemporary Orthodontics textbook [8] gave a good example of impact of brain growth on the ...