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Articles 391 - 411 of 411

Full-Text Articles in Evolution

Body Mass Of Late Quaternary Mammals (Data Set), Felisa A. Smith, S. Kathleen Lyons, S.K. Morgan Ernest, Kate E. Jones, Kansas State University, Tamar Dayan, Pablo A. Marquet, James H. Brown, John P. Haskell Dec 2003

Body Mass Of Late Quaternary Mammals (Data Set), Felisa A. Smith, S. Kathleen Lyons, S.K. Morgan Ernest, Kate E. Jones, Kansas State University, Tamar Dayan, Pablo A. Marquet, James H. Brown, John P. Haskell

School of Biological Sciences: Faculty Publications

The purpose of this data set was to compile body mass information for all mammals on Earth so that we could investigate the patterns of body mass seen across geographic and taxonomic space and evolutionary time. We were interested in the heritability of body size across taxonomic groups (How conserved is body mass within a genus, family, and order?), in the overall pattern of body mass across continents (Do the moments and other descriptive statistics remain the same across geographic space?), and over evolutionary time (How quickly did body mass patterns iterate on the patterns seen today? Were the Pleistocene …

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Growth And The Expression Of Alternative Life Cycles In The Salamander Ambystoma Talpoideum (Caudata: Ambystomatidae), Travis J. Ryan, Raymond D. Semlitsch Jan 2003

Growth And The Expression Of Alternative Life Cycles In The Salamander Ambystoma Talpoideum (Caudata: Ambystomatidae), Travis J. Ryan, Raymond D. Semlitsch

Scholarship and Professional Work - LAS

Complex life cycles (CLCs) contain larval and adult phases that are morphologically and ecologically distinct. Simple life cycles (SLCs) have evolved from CLCs repeatedly in a wide variety of lineages but the processes that may underlie the transition have rarely been identified or investigated experimentally. We examined the influence of larval growth rate on the facultative expression of alternative life cycles (metamorphosis or maturation as gill-bearing adults [= paedomorphosis]) in the salamander Ambystoma talpoideum. We manipulated growth rates by altering the amount of food individuals received throughout larval development. The expression of alternative life cycles in A. talpoideum is influenced …

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Proprioception, Non-Law, And Biolegal History, Owen D. Jones Dec 2001

Proprioception, Non-Law, And Biolegal History, Owen D. Jones

Vanderbilt Law School Faculty Publications

This Article explores several advantages of incorporating into law various insights from behavioral biology about how and why the brain works as it does. In particular, the Article explores the ways in which those insights can help illuminate the deep structure of human legal systems. That effort is termed "biolegal history."

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Genomes, Gould, And Emergence, Ursula Goodenough Sep 2001

Genomes, Gould, And Emergence, Ursula Goodenough

Biology Faculty Research

The publication of the human genome has elicited commentary to the effect that, since fewer genes were identified than anticipated, it follows that genes are less important to human biology than anticipated. The flaws in this syllogism are explained in the context of a treatise on how genomes operate and evolve and how genes function to produce embryos and brains. Most of our most cherished human traits are the result of the emergence of new properties from preexisting genetically scripted ideas, offering countless opportunities to celebrate the evolutionary process.

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Reflections On Scientific And Religious Metaphor, Ursula Goodenough Jun 2000

Reflections On Scientific And Religious Metaphor, Ursula Goodenough

Biology Faculty Research

The importance of scientific conflicts for theology and philosophy is difficult to judge. In many disputes of significance, prominent scientists can be found on both sides. Profound philosophical and religious implications are sometimes said to be implied by the new theory as well. This article examines the dispute over natural selection between Richard Dawkins and Stephen Jay Gould as a contemporary instance of such a conflict. While both claim that profound philosophical conclusions flow from their own alternative account of evolution, I suggest that the implication is not as great as is claimed and that the alleged implications have as …

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The Holes In Gould's Semipermeable Membrane Between Science And Religion, Ursula Goodenough May 1999

The Holes In Gould's Semipermeable Membrane Between Science And Religion, Ursula Goodenough

Biology Faculty Research

Book review: Rocks of Ages: Science and Religion in the Fullness of Life. Stephen Jay Gould. 241 pp. Ballantine Publishing Group, 1999.

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The Use Of Isoelectric Focusing To Assess The Genetic Diversity Of The Cyprinid Fishes: Rhinichthys Cataractae And Rhinichthys Atratulus In West Virginia, Fauzia Alam Miah Jan 1998

The Use Of Isoelectric Focusing To Assess The Genetic Diversity Of The Cyprinid Fishes: Rhinichthys Cataractae And Rhinichthys Atratulus In West Virginia, Fauzia Alam Miah

Theses, Dissertations and Capstones

In this study, isoelectric focusing is used to separate proteins of Rhinichthys cataractae and R. atratulus and conventional staining is used to identify alleles of six genes. The objective of this work is to determine whether these methods can effectively assay isozymes that may be used to establish the relationship between anthropogenic stress and genetic diversity. Alleles for LDH-A, LDH-B, EST-A, EST-B, EST-C, and EST-D loci were identified for two species of fish, R. atratulus and R. cataractae. Both fish species are known to be sensitive to anthropogenic stress and known to be widely distributed in stressed environments. Alleles …

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Biology: What One Needs To Know, Ursula Goodenough Dec 1996

Biology: What One Needs To Know, Ursula Goodenough

Biology Faculty Research

Biology on this planet represents an astonishing experiment in carbon-based chemistry which, over billions of years, has generated billions of species adapted to countless major and minor fluctuations in ecological circumstances. In one sense there is no way to generalize about biology. While biological activities can all be ultimately explained by physical laws (like everything else in the universe), it is the emergent intensely particular properties of organisms that most interest us. This essay represents an attempt to describe some of the more prominent patterns that emerge from the sea of biological particularities, patterns that present many opportunities for religious …

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Phylogenetic Reanalysis Of Strauch's Osteological Data Set For The Charadriiformes, Philip C. Chu Feb 1995

Phylogenetic Reanalysis Of Strauch's Osteological Data Set For The Charadriiformes, Philip C. Chu

Biology Faculty Publications

Strauch's (1978) compatibility analysis of relationships among the shorebirds (Charadriiformes) was the first study to examine the full range of charadriiform taxa in a reproducible way. Subsequently Mickevich and Parenti (1980) leveled serious charges against Strauch's characters, method of phylogenetic inference, and results. To account for these charges, Strauch's characters were re-examined and recoded, and parsimony analyses were performed on the revised matrix. A parsimony analysis on 74 taxa from the revised matrix yielded 855 shortest trees, each length = 286 and consistency index = 0.385. In each shortest tree there were two major lineages, a lineage of sandpiper-like birds …

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Xenopus Laevis As A Model Organism, David C. Cannatella, Rafael O. De Sá Dec 1993

Xenopus Laevis As A Model Organism, David C. Cannatella, Rafael O. De Sá

Biology Faculty Publications

Model organisms are often assumed to be representative of some more inclusive taxon of which the species is a part. This assumption leads to mistaken generalizations about the evolutionary and comparative significance of the data gathered. This paper reviews com? parative and evolutionary studies of Xenopus laevis and its relatives. Phylogenetic analysis of data from DNA sequences and morphology indicate that Xenopus is monophyletic and that Silurana is its sister group. The most basal lineages of Pipidae diverged prior to the breakup of Gondwana. The bizarre morphology of Xenopus is in part due to changes in the mode of meta? …

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"Introduction" (To Alfred Russel Wallace; An Anthology Of His Shorter Writings), Charles H. Smith Jan 1991

"Introduction" (To Alfred Russel Wallace; An Anthology Of His Shorter Writings), Charles H. Smith

DLPS Faculty Publications

No abstract provided.

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Book Review Of Evolution As Religion, Carl J. Bajema Mar 1987

Book Review Of Evolution As Religion, Carl J. Bajema

Other Scholarly Publications

No abstract provided.

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Book Review Of "The Little Universe Of Man" By C. D. Darlington, Carl J. Bajema Dec 1979

Book Review Of "The Little Universe Of Man" By C. D. Darlington, Carl J. Bajema

Other Scholarly Publications

No abstract provided.

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Comments On "The Evolutionary Theories Of Charles Darwin And Herbert Spencer" By Derek Freeman, Carl J. Bajema Sep 1974

Comments On "The Evolutionary Theories Of Charles Darwin And Herbert Spencer" By Derek Freeman, Carl J. Bajema

Other Scholarly Publications

In this paper certain crucial differences between the evolutionary theories of Charles Darwin and Herbert Spencer are explored. Particular attention is given to the Lamarckian basis of Spencer's evolutionary doctrine.

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Rationalists In Retreat, W. E. Filmer Jan 1948

Rationalists In Retreat, W. E. Filmer

Stone-Campbell Books

No abstract provided.

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Recent Opinions Of Biologists On Evolution: 2nd Edition, Evolution Protest Movement Jan 1948

Recent Opinions Of Biologists On Evolution: 2nd Edition, Evolution Protest Movement

Stone-Campbell Books

No abstract provided.

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How Far Is The Argument Of Homology Acceptable To Reason, Wilmur Daniel Ackerman Jul 1931

How Far Is The Argument Of Homology Acceptable To Reason, Wilmur Daniel Ackerman

Bachelors’ Theses

Evolution is a subject that involves a great deal more than the average person really thinks about. To approach subject like this, one must try to obtain as many of the different factors that taken into consideration as is possible.

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The Theory Of Spontaneous Generation, Arthur Thomas Kuesel Jun 1924

The Theory Of Spontaneous Generation, Arthur Thomas Kuesel

Bachelors’ Theses

The theories concerning the origin of life on this planet have been many and varied all down the ages. In the prescientific ages, if we may be allowed to designate those years as such, before science was as exacting and searching sit is now, practically all the theories advanced by the philosophers at the time have since been proven to be fallacies and all of them save one, the Theory of Spontaneous Generation have been discarded into the limbo of mistaken notions.

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[Book Review Of] Adaptation In Metapopulations: How Interaction Changes Evolution, By Michael J. Wade., David C. Queller Jun 1917

[Book Review Of] Adaptation In Metapopulations: How Interaction Changes Evolution, By Michael J. Wade., David C. Queller

Biology Faculty Research

Adaptation in Metapopulations: How Interaction Changes Evolution. By Michael J. Wade. Chicago (Illinois): University of Chicago Press . $120.00 (hardcover); $40.00 (paper). vii + 260 p.; ill.; index. ISBN: 978-0-226-12956-3 (hc); 978-0-226-12973-0 (pb); 978-0-226-12987-7 (eb). 2016.

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Embryology And Evolution, Malo Marius Amunson Jun 1906

Embryology And Evolution, Malo Marius Amunson

Manuscript Thesis Collection

The proofs of evolution must be sought in the entire field of science. Direct proof is found in the study of Morphology, whose bases are comparative anatomy; embryology; in the study of paleontology, of geology, of geographical distribution, in the study of nature and experiments of today. In this vast field of direct proofs of evolution it is our purpose to present some of the evidences of evolution as furnished by one of these, namely, Comparative Embryology.

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Evolution And Classification, Charles E. Bessey Sep 1893

Evolution And Classification, Charles E. Bessey

Papers in Systematics and Biological Diversity

As we have gathered up the scattered masses of botanical knowledge, laboriously wrought out by many isolated workers, and attempted to fit them together into a consistent whole, which should outline the structure of the temple of botany, we have found that the workmen have not always followed the same architectural plan, and have often used different units of measurement. With the increasing specialization so noticeable year by year there is a corresponding lack of coordination of work. To this lack of coordination, this want of unity of measurement, this misunderstanding of plan, we can no longer close our eyes, …

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