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Theory in Biological Dictionary

Vascular bundles

... Arrangement of Vascular Bundles and The theory of Steles. The spatial arrangements of vascular bundles is explained by the theory of steles. ... The Spatial Arrangement of Vascular Bundles And The theory of Steles. Literature ... or xylem of the ...

Trophoblast

... topics. This paper is on the trophoblast theory of cancer and was written for the layman. ... topics. This paper is on the trophoblast theory of cancer ... Cellular trophoblasts are ... ... A laymen's explanation of the cancer theory that matches more of the observed ...

Theory

... as expressed in formal language ... The term theory has two broad sets of meanings, one used ... theory (mathematical ... In theoretical physics, M- theory is a new limit of string ...

Tectonics

... scale motions of Earth's lithosphere. The theory builds on the older concepts of continental ... are: ... Plate tectonics is a relatively new theory ... Plate Tectonics , TSAW Project Good source ... comes from the Greek root "to build. ... The theory of plate tectonics states that the Earth's ...

Spontaneous generation

... or Equivocal generation is an obsolete theory regarding the origin of life from inanimate ... generation is an essential part of the theory of evolution. ... The idea of spontaneous ... to occur primarily in decaying matter. ... The theory of spontaneous generation was finally laid ...

Selection

... A bulleted overview of current evolutionary theory ... The Unit of Selection . ... Natural ... as increasing the 'fitness' of ... The theory of evolution by natural selection is one of ... ... 1. Natural Selection and Evolutionary theory ... by natural selection are elegantly simple. ....

Punctuated equilibrium

... Punctuated equilibrium is a theory in evolutionary biology which proposes that ... change. punctuated equilibrium n. The theory that speciation occurs in spurts of major ... equilibrium is not saltationism, a defunct theory that states that ... Rather, punctuated ...

Probability

... and Geometric Probability ... probability theory n. The branch of mathematics that studies the ... or to test) ... 5 Applications of probability theory to everyday life. 6 See also. 7 External links ... Probability , also theory of probability , branch of mathematics that ...

Preformation

... theories of generation. ... The Preformation theory states that "knowledge is possible only ... by Immanuel Kant as an alternative to his theory regarding the categories of understanding and ... Preformationism Preformationism is the theory that all organisms were created at the same ...

Neo-darwinism

... of Genetics The Efforts of Neo - Darwinism . A theory in Crisis ... The architects of Neo - Darwinism ... of Genetics The Efforts of Neo - Darwinism . A theory in Crisis ... A community about neo - ... ... neo - Darwinism - a modern Darwinian theory that explains new species in terms of ... ...

Natural selection

... as increasing the 'fitness' of ... The theory of evolution by natural selection is one ... ... 1. Natural Selection and Evolutionary theory ... Natural selection is the phrase ... is the primary mechanism within the scientific theory of ... Mutations create the genetic variation ...

Morphology

... the levels of ... A complete overview of the theory of the architecture of grammar. ... What is ... and ... Review of: Inflectional morphology : a theory of paradigm ... The personal website of ... to the study of morphology , especially Beard's theory of 'Lexeme-Morpheme Base Morphology '. It is ...

Epigenesis

... has at least two ... The originator of this theory of epigenesis was Aristotle in his book On ... projects ... epigenesis n. Biology. The theory that an individual is developed by successive ... in the eighteenth century in the ... The theory of epigenesis , on the other hand, sought to ...

Endosymbiotic theory

... The endosymbiotic theory concerns the origins of mitochondria and ... of eukaryotic cells. According to this theory , these organelles originated as separate prokaryotic organisms which were ... This theory is called the endosymbiotic ...

Endosymbiosis

... ... This is the so-called serial endosymbiosis theory of a monophyletic origin of ... Put ... inside another being. ... Simply stated, the theory of endosymbiosis is the concept that ... ... ... arguments against endosymbiosis . theory are "flogging a dead horse" Endosymbiosis and ...

Common descent

... evidences in favor of macroevolutionary theory and common descent . It is specifically ... descent explains 'basic types' ... Darwin's theory of common descent only has one point of ... (1) Images Contributors (2) ... How is the theory of common descent put at risk ...

Classical genetics

... genetics , the era in which the chromosome theory of heredity was proposed and ... Classical ... set of laws and statistical ... The classical theory of genetics deals with alleles as abstract bits of ... 2.1 The basic theory of classical genetics . 2.2 Molecular-level ...

Abiogenesis

... ... Abiogenesis ... Abiogenesis is the theory that under the proper conditions life can arise ... ABIOGENESIS IS THE theory THAT UNDER THE PROPER CONDITIONS LIFE CAN ARISE ... Is Abiogenesis Impossible? Abiogenesis : The theory that life can arise ... It is very important ...

Vascular bundle

... elements. ... The Spatial Arrangement of Vascular Bundles and The theory of Steles ... Never is a vascular bundle exclusively central or peripheral. ... The Spatial Arrangement of Vascular Bundles And The theory of Steles. Literature ... or xylem of the vascular bundles is ...

Sociobiology

... The study of the biological determinants of social behavior, based on the theory that such behavior is often genetically transmitted SOCIOBIOLOGY . C. ... Culture ... ... could be explained evolutionarily, and he called his theory sociobiology . ... Over time, Wilson's sociobiology found more and ...

Semi-conservative

... The semi - conservative theory can be shown by making use of the fact that DNA is ... The experiment that proves the semi - conservative theory makes use of this ... Nature is the international weekly journal of ...

Olfaction

... chemical information in organisms ranging from insects to ... Shape theory of olfaction The Shape theory of smell states that a molecule's particular smell is due to a 'lock and ...

Muscle contraction

... move past each other and change the size of the cell. They ... Any theory of muscle contraction must account for these observations. ... ... contraction is used to move the body, and can be finely ... ... theory of muscle contraction -Excitation contraction coupling ... The ...

Median

... In probability theory and statistics, a median is described as the number separating the ... the median . ... The median income of those riders remains ... ... theory and statistics, the median is a number that separates ... 2 ...

Homology

... mathematical object such as a topological space or a group. See homology theory for more background, or singular homology for a concrete version ... ... " has several meanings in biology, each ... Homology involves the theory that macroevolutionary relationships can be proven ... Since Darwin, ...

Evolution

... encompasses many scientific disciplines, most ... Darwin applied the theory of evolution and sexual selection to humans when he ... Lists ... of evolution . 3 Evidences of evolution . 3.1 Evidences for the theory of Descent with Modification ... 7 Evolution and religion. 8 History of ...

Entropy

... Asymmetric Transitions, entropy and energy ... Entropy and Information theory on the Web. PCP Web Dictionary of Systems and cybernetics: ... In ... is much more likely to occur. ... Entropy ... Entropy within this theory is the "measure of the rate of transfer of ... In COL 49, Pynchon ...

Biogeography

... of the geographic distribution of organisms. ... The equilibrium theory of island biogeography arose as an application of these ... Island ... from Island Biogeography ) Jump to: navigation, search ... The theory of island biogeography proposes that the number of species found on .....

Aneuploidy

... risk for aneuploidy increases with a woman's age, regardless of ... The theory regarding aneuploidy risk and advancing maternal ... On almost every ... a chromosome number that is not an exact ... THE ANEUPLOIDY theory OF CANCER AND THE BARRIERS TO ITS EXPOSURE. By David Rasnick ... Our work ...

Tropism

... information, and more. ... Double Tropism And Documentary: The Draw Of The ... We retain the titles tropism ' and trope theory' for the entire theory (or ... The former position, which I call kernel tropism , was taken in a way by Leibniz, ... However, viral tropism can. be CCR5, CXCR4, or ...

Translation

... Italian, French, German, Spanish, and Hebrew. Translation in SIL focuses on the academic training, research, and technical ... Translation theory and practice. The ideal translation will be accurate, ... Stranslations offers premium translation and translator recruitment services for ...

Trait

... seen in people with sickle cell trait . ... Sickle cell trait usually is not regarded as a disease state because it has ... ... TRAIT theory DIFFER FROM THE PSYCHODYNAMIC APPROACH? ( Which of the following are more characteristic of trait theory? ... Most people have no cardinal trait . ...

Telomere

... nouns telos (τἐλος) "end" and merοs "part". So telomeres are not themselves genes, but neither are they ... The telomere theory ... Thus, telomere erosion and Hayflick limits could account for most ... telomere n. Either of the sections of DNA occurring at the ends of ...

Symbiogenesis

... is responsible for some of the main eukaryotic ... Retrieved from "http://en.wikipedia.org /wiki/Talk: Symbiogenesis " ... According to the theory of symbiogenesis , eukaryotes, organisms whose cells have ... The most dramatic argument from the symbiogenesis camp is that the larval stage .....

Survival of the fittest

... with 12 pages of encyclopedia entries, essays, summaries, research information, and more. ... Survival Of The Fittest . 07/01 ... The theory of Evolution has never been about survival . ... So, " Survival of the fittest " was apparently not obvious until after someone pointed it ....

Suberin

... of the Boilermakers, alma mater of the first and last men to ... believed that suberin , a waxy ... (PhysOrg.com) -- While proving a long-held theory that suberin blocks water and nutrient absorption in plants, a Purdue University scientist learned more about ... Pronunciation of suberin . ...

Structural change

... and Economic Dynamics home ... applied and methodological aspects of structural change in economic systems. ... ... structural change ... theory of structural change , a behavioral founda ... Existing farm level models capture structural change only in a limited way, ... Structural ...

Somatic

... United States and Europe. ... The Master of Arts in Somatic Counseling Psychology offers the student training in traditional psychotherapeutic theory and skill integrated with a body-based and ... How to become a Somatic Educator. Somatic Training Programs. Somatic Rehabilitation ...

Sexual

... it is considered a lack of a sexual orientation. One commonly cited study placed the incidence rate of ... Sexual selection is the theory proposed by Charles Darwin that states that certain evolutionary traits can be explained by intraspecific competition. Darwin defined sexual ...

Sense

... as a collection. CarSense Used Car Dealer. Thousands of Pre-Owned Vehicles. 3 Convenient Locations in PA & NJ. disapproval, and the theory of the moral sense is to ... the phrase of ordinary language, " sense of right and ... " sense " for moral discrimination is not to be ... The ...
Other Contents
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(Date:7/24/2014)... have decreased by 45% on average over a 35 ... a study on the impact of humans on declining ... benefits invertebrates such as insects, spiders, crustaceans, slugs and ... pest control for crops, decomposition for nutrient cycling, water ... Science and led by UCL, Stanford and ...
(Date:7/24/2014)... 3.5 billion years of evolutionary trial and error, is ... may be reaching a tipping point. , In a ... published in Science , an international team of ... is contributing to what appears to be the early ... , Since 1500, more than 320 terrestrial vertebrates have ...
Breaking Biology News(10 mins):Zerenex™ (ferric citrate) long-term Phase 3 study results published in JASN 2Zerenex™ (ferric citrate) long-term Phase 3 study results published in JASN 3Zerenex™ (ferric citrate) long-term Phase 3 study results published in JASN 4Invertebrate numbers nearly halve as human population doubles 2Invertebrate numbers nearly halve as human population doubles 3Stanford biologist warns of early stages of Earth's 6th mass extinction event 2Stanford biologist warns of early stages of Earth's 6th mass extinction event 3
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