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Biological rules and laws are often developed as succinct, broadly applicable ways to explain complex phenomena or salient observations about the ecology and biogeographical distributions of plant and animal species around the world, though they have been proposed for or extended to all types of organisms. Many of these regularities of ecology ...
Shelford's law of tolerance is a principle developed by American zoologist Victor Ernest Shelford in 1911. It states that an organism 's success is based on a complex set of conditions and that each organism has a certain minimum, maximum, and optimum environmental factor or combination of factors that determine success. [ 1 ]
Ecological facilitation or probiosis describes species interactions that benefit at least one of the participants and cause harm to neither. [1] Facilitations can be categorized as mutualisms , in which both species benefit, or commensalisms , in which one species benefits and the other is unaffected.
Bergmann's rule - Penguins on the Earth (mass m, height h) [1] Bergmann's rule is an ecogeographical rule that states that, within a broadly distributed taxonomic clade, populations and species of larger size are found in colder environments, while populations and species of smaller size are found in warmer regions.
On the other hand, a species with a highly specialized ecological niche is more effective at competing with other organisms. [ citation needed ] For example, a fish and its parasites are in an evolutionary arms race , a form of coevolution , in which the fish constantly develops defenses against the parasite, while the parasite in turn evolves ...
The fossil, along with a Mason Schratter illustration of the mammal amidst “the Santa Cruz landscape in the Pleistocene era,” will be on display during the museum’s annual exhibit of science ...
Ecology is as much a biological science as it is a human science. [5] Human ecology is an interdisciplinary investigation into the ecology of our species. "Human ecology may be defined: (1) from a bioecological standpoint as the study of man as the ecological dominant in plant and animal communities and systems; (2) from a bioecological ...
R.L. Nudds and S.A. Oswald argued in 2007 that there is poor empirical support for Allen's rule, even if it is an "established ecological tenet". [6] They said that the support for Allen's rule mainly draws from studies of single species, since studies of multiple species are "confounded" by the scaling effects of Bergmann's rule and ...
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