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Conwy Lloyd Morgan, FRS [2] (6 February 1852 – 6 March 1936) was a British ethologist and psychologist.He is remembered for his theory of emergent evolution, and for the experimental approach to animal psychology now known as Morgan's Canon, a principle that played a major role in behaviourism, insisting that higher mental faculties should only be considered as explanations if lower ...
The widespread study of animal cognition has required a disciplined use of Lloyd Morgan's canon. [4] D.A. Dewsbury called Morgan's Canon "perhaps, the most quoted statement in the history of comparative psychology". [5] Frans de Waal reiterated that it is "perhaps the most quoted statement in all of psychology" in his book The Ape and the Sushi ...
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. [2]
Competition among plants for light is size-asymmetric because of the directionality of its supply. [2] Higher leaves shade lower leaves but not vice versa. Competition for nutrients appears to be relatively size-symmetric, [9] although it has been hypothesized that a patchy distribution of nutrients in the soil may lead to size asymmetry in competition among roots.
The collective goal is to contribute excellent biology diagrams to the Commons and to corresponding Wikipedia articles. This is done as part of an Advanced Placement Biology course. The lead editor is Chris Packard. This project is inspired by the 2009 Wikipedia AP Biology Project. There are many basic and important diagrams missing from ...
Advanced Placement (AP) Biology (also known as AP Bio) is an Advanced Placement biology course and exam offered by the College Board in the United States. For the 2012–2013 school year, the College Board unveiled a new curriculum with a greater focus on "scientific practices".
Contest competition is the opposite of scramble competition, a situation in which available resources are shared equally among individuals. As contest competition allows the monopolization of resources, offspring will typically always be produced and survive until adulthood independent of the population size, resulting in stable population ...
David Wilkinson gives a thorough history of the hypothesis in his paper titled, "The disturbing history of the intermediate disturbance". [2] In this paper, he explains that the idea of disturbance relating to species richness can be traced back to the 1940s in Eggeling 1947, [7] Watt 1947, [8] and Tansley 1949. [9]