• Study Resource
  • Explore Categories
    • Arts & Humanities
    • Business
    • Engineering & Technology
    • Foreign Language
    • History
    • Math
    • Science
    • Social Science

    Top subcategories

    • Advanced Math
    • Algebra
    • Basic Math
    • Calculus
    • Geometry
    • Linear Algebra
    • Pre-Algebra
    • Pre-Calculus
    • Statistics And Probability
    • Trigonometry
    • other →

    Top subcategories

    • Astronomy
    • Astrophysics
    • Biology
    • Chemistry
    • Earth Science
    • Environmental Science
    • Health Science
    • Physics
    • other →

    Top subcategories

    • Anthropology
    • Law
    • Political Science
    • Psychology
    • Sociology
    • other →

    Top subcategories

    • Accounting
    • Economics
    • Finance
    • Management
    • other →

    Top subcategories

    • Aerospace Engineering
    • Bioengineering
    • Chemical Engineering
    • Civil Engineering
    • Computer Science
    • Electrical Engineering
    • Industrial Engineering
    • Mechanical Engineering
    • Web Design
    • other →

    Top subcategories

    • Architecture
    • Communications
    • English
    • Gender Studies
    • Music
    • Performing Arts
    • Philosophy
    • Religious Studies
    • Writing
    • other →

    Top subcategories

    • Ancient History
    • European History
    • US History
    • World History
    • other →

    Top subcategories

    • Croatian
    • Czech
    • Finnish
    • Greek
    • Hindi
    • Japanese
    • Korean
    • Persian
    • Swedish
    • Turkish
    • other →
 
Profile Documents Logout
Upload
The Organism as the Subject and Object of Evolution
The Organism as the Subject and Object of Evolution

... that the system evolves by changes in the proportions of the different types. There is a sorting-out process in which some variant types persist while others disappear, so the nature of the ensemble as a whole changes without any successive changes in the individual members. Thus variation among obj ...
evidences of evolution - biology4isc
evidences of evolution - biology4isc

... Mouthparts in insects also show homology; the basic structures of the mouthparts are the same, including a labrum (upper lip), a pair of mandibles, a hypopharynx (floor of mouth), a pair of maxillae, and a labium. Some structures are enlarged and modified while some ...
Prentice Hall Biology
Prentice Hall Biology

... first column, list the characteristics that you believe you have always had. For example, you may have brown eyes or curly hair. Students should list traits that are genetically influenced. 2. In the second column, list your acquired characteristics. For example, you may have learned how to play a m ...
Prentice Hall Review PPT. Ch.15
Prentice Hall Review PPT. Ch.15

... first column, list the characteristics that you believe you have always had. For example, you may have brown eyes or curly hair. Students should list traits that are genetically influenced. 2. In the second column, list your acquired characteristics. For example, you may have learned how to play a m ...
Evidence of Evolution - California Academy of Sciences
Evidence of Evolution - California Academy of Sciences

... Fossils are preserved remains of ancient life, which means they can give direct evidence of an evolutionary history. Fossils can show that a certain species once lived in a different region than its present range or provide physical evidence of features possessed by a common ancestor of two lineages ...
Chapter15_Section01_edit
Chapter15_Section01_edit

... b. The tortoises resembled fossil remains that were found on the islands. c. The shape of the Galápagos tortoise shells varied with their different habitats. ...
15-1
15-1

... b. The tortoises resembled fossil remains that were found on the islands. c. The shape of the Galápagos tortoise shells varied with their different habitats. ...
Non-Equilibrium Thermodynamics:
Non-Equilibrium Thermodynamics:

... the paleontology students at the University of Alberta for their help and guidance during the construction of this manuscript. ...
Evolution Review Questions
Evolution Review Questions

... C) Some drug-resistant bacteria were present at the start of the treatment, and natural selection increased their frequency. D) S. aureus evolved to resist vaccines. 16. The upper forelimbs of humans and bats have very similar skeletal structures, whereas the corresponding bones in whales have very ...
Theological Foundations of Darwin `s Theory of Evolution
Theological Foundations of Darwin `s Theory of Evolution

... modem pe,-iod, was not a foreign agent that bent science away from its true course, nor even an extrinsic force that benignly pushed thinkers more quickly along .a path they would have otherwise trod. Allen has tried to show that religion was enmeshed within the interstices of scientific thought, th ...
THE EVOLUTION OF BUSINESS
THE EVOLUTION OF BUSINESS

... Business life, as a legitimate money making practice, it is not the “universal human activity it is sometimes thought to be. It is, instead a remarkably modern and culturally peculiar phenomenon” (Solomon & Hanson, 1983, p. 34) whose infancy was triggered by the industrial revolution during the 18th ...
Lecture 2-Evidence for Evolution
Lecture 2-Evidence for Evolution

... Fossils show complex life forms have evolved from simpler life forms Regents Biology ...
File
File

... According to modern evolutionary theory, genes responsible for new traits that help a species survive in a particular environment will usually A. ...
Evolution of Phenotypes
Evolution of Phenotypes

... parents to offspring. So, even without knowing precisely why, they could look at the results from plant and animal breeders to see how traits can be modified from one generation to the next. Darwin and Wallace’s theory of evolution by natural selection can be summarized by four steps: 1. There is va ...
Genetic variation, selection and evolution: special issue in
Genetic variation, selection and evolution: special issue in

... have grown, but junior scientists who have not yet submitted their PhD and the most eminent population geneticists continue to be treated equally in creating the programme. Many of today’s leading population geneticists gave their first conference talk, on their PhD work, at PopGroup. The mixture of ...
16-3 process of speciation
16-3 process of speciation

... Testing Natural Selection in Nature Now that you know the basic mechanisms of evolutionary change, you might wonder if these processes can be observed in nature. The answer is yes. In fact, some of the most important studies showing natural selection in action involve descendants of the finches that ...
Darwin`s Theory
Darwin`s Theory

... Islands were similar to organisms on mainland South America. However, there were also important differences. Darwin inferred that a small number of different species had come to the islands from the mainland. Eventually, their offspring became different from the mainland relatives. The finches on th ...
chapt22_lecture Human Origins
chapt22_lecture Human Origins

... particular group ...
15-3 PowerPoint
15-3 PowerPoint

... lizard. In some species, legs have become so small longer they no _______ function ______ in walking. Why would an organism possess organs with ___ little or no function ________________? One explanation: code is present to make the organ, but The gene ________ function has been lost through _______ ...
AP Biology - Lemon Bay High School
AP Biology - Lemon Bay High School

... Saturdays: With eight high level, inquiry based labs to get through, there are 7 Saturdays that we will be coming in to do the really time consuming labs. Plan on being here from 9:00 to 12:00. This allows us to spend about 25% of instructional time on lab work. If you cannot attend a Saturday lab, ...
`The Darwin-Wallace Celebration.`
`The Darwin-Wallace Celebration.`

... that they welcomed one whom Darwin 50 years ago wrote of as “our best British botanist, and perhaps the best in the world,” words which had gained in force with the half-century that had elapsed since they were written. Sir Joseph Hooker’s early appreciation and unswerving support of a doctrine too ...
AVFTH-013 Breeding for Behavior in the Hybrid Thoroughbred
AVFTH-013 Breeding for Behavior in the Hybrid Thoroughbred

... humans breeding selectively for traits and nature’s quest to breed for survival are antagonistic one to the other. As a breeder, you can breed the perfect horse from a physical conformation standpoint but if you ignore the forces of natural selection at work in your horse you will produce an inferio ...
Watch Evolution PPT
Watch Evolution PPT

... §  accumulation of advantageous traits in population §  emergence of different species ...
15-3 Darwin Presents His Case
15-3 Darwin Presents His Case

... 15-3 Darwin Presents His Case ...
Convergent evolution of `creepers`
Convergent evolution of `creepers`

... diversification, the ‘ecological theory’ holds that it is the outcome of divergent natural selection between environments (Schluter 2000). Whether adaptive radiations result chiefly from such ecological speciation, however, remains unclear (Schluter 2001). Convergent evolution is often considered po ...
< 1 ... 28 29 30 31 32 33 34 35 36 ... 123 >

The eclipse of Darwinism

Julian Huxley used the phrase ""the eclipse of Darwinism"" to describe the state of affairs prior to the modern evolutionary synthesis when evolution was widely accepted in scientific circles but relatively few biologists believed that natural selection was its primary mechanism. Historians of science such as Peter J. Bowler have used the same phrase as a label for the period within the history of evolutionary thought from the 1880s through the first couple of decades of the 20th century when a number of alternatives to natural selection were developed and explored - as many biologists considered natural selection to have been a wrong guess on Charles Darwin's part, and others regarded natural selection as of relatively minor importance. Recently the term eclipse has been criticized for inaccurately implying that research on Darwinism paused during this period, Paul Farber and Mark Largent have suggested the biological term interphase as an alternative metaphor.There were four major alternatives to natural selection in the late 19th century: Theistic evolution was the belief that God directly guided evolution. (This should not be confused with the more recent use of the term theistic evolution, referring to the theological belief about the compatibility of science and religion.) The idea that evolution was driven by the inheritance of characteristics acquired during the life of the organism was called neo-Lamarckism. Orthogenesis involved the belief that organisms were affected by internal forces or laws of development that drove evolution in particular directions Saltationism propounded the idea that evolution was largely the product of large mutations that created new species in a single step.Theistic evolution largely disappeared from the scientific literature by the end of the 19th century as direct appeals to supernatural causes came to be seen as unscientific. The other alternatives had significant followings well into the 20th century; mainstream biology largely abandoned them only when developments in genetics made them seem increasingly untenable, and when the development of population genetics and the modern evolutionary synthesis demonstrated the explanatory power of natural selection. Ernst Mayr wrote that as late as 1930 most textbooks still emphasized such non-Darwinian mechanisms.
  • studyres.com © 2026
  • DMCA
  • Privacy
  • Terms
  • Report