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According to Raven, there will be more use of Expert power if the motive is a need for achievement. [3] The ability to administer to another information, knowledge or expertise. [1] (Example: Doctors, lawyers). As a consequence of the expert power or knowledge, a leader is able to convince their subordinates to trust them.
In critical theory, power-knowledge is a term introduced by the French philosopher Michel Foucault (French: le savoir-pouvoir). According to Foucault's understanding, power is based on knowledge and makes use of knowledge; on the other hand, power reproduces knowledge by shaping it in accordance with its anonymous intentions. [ 1 ]
Paramecium aurelia and Paramecium caudatum grow well individually, but when they compete for the same resources, P. aurelia outcompetes P. caudatum.. Based on field observations, Joseph Grinnell formulated the principle of competitive exclusion in 1904: "Two species of approximately the same food habits are not likely to remain long evenly balanced in numbers in the same region.
Clade T is a total group or pan-group, its extant species organized into crown groups C1 and C2.Within clade T are sister clades T1 and C2. Clade T1 is composed of crown group C1 and the stem group S1 which is the set of extinct species that are closer to C1 than any other crown group of extant species.
Botany, also called plant science or phytology, is the branch of natural science and biology studying plants, especially their anatomy, taxonomy, and ecology. [1] A botanist, plant scientist or phytologist is a scientist who specialises in this field.
In the parts of the ranges where one species occurs alone, the populations of that species are similar to the other species and may even be very difficult to distinguish from it. In the area of overlap, where the two species occur together, the populations are more divergent and easily distinguished, i.e., they 'displace' one another in one or ...
Robert Treat "Bob" Paine III (April 13, 1933 – June 13, 2016) was an American ecologist who spent most of his career at the University of Washington.Paine coined the keystone species [1] [2] [3] concept to explain the relationship between Pisaster ochraceus, a species of starfish, and Mytilus californianus, a species of mussel.
Competition is an interaction between organisms or species in which both require one or more resources that are in limited supply (such as food, water, or territory). [1] Competition lowers the fitness of both organisms involved since the presence of one of the organisms always reduces the amount of the resource available to the other.