SJG Archive - Search Results

Results from This Site: 21 - 40 of 81 total results for fossil record

21. Conway-Morris and Gould, "Showdown on the Burgess Shale" 1998

with some matters of interpretation of patterns in the fossil record, then move on to paleontological particulars, and finally offer different "lessons" on what the Burgess Shale means in the larger reading of evolutionary

http://www.stephenjaygould.org/library/naturalhistory_cambrian.html - 39 kB - Nov 24, 2017
22. Microsoft Word - broyles_punctuated-equilibrium.docx

in the fossil record. If transitional forms only exist for a few thousand years, often in a small geographical location different from its later range, then the odds are against fossils being formed, found, and described.

http://www.stephenjaygould.org/library/broyles_punctuated-equilibrium.pdf - 216 kB - Nov 24, 2017
23. Remembering Stephen Jay Gould (1941-2002)

argued that evolutionary change in the fossil record came in fits and starts rather than a steady process of slow change. This theory, known as punctuated equilibrium, was part of Dr. Gould's work that brought a forsaken

http://www.stephenjaygould.org/inremembrance.html - 205 kB - Nov 24, 2017
24. Stephen Jay Gould, "Planet of the Bacteria" 1996

I well remember the invariant scheme used to divide the fossil record into a series of "ages" representing the progress that supposedly marked the march of evolution: the "Age of Invertebrates," followed by the Age of Fishes,

http://www.stephenjaygould.org/library/gould_bacteria.html - 32 kB - Nov 24, 2017
25. Stephen Jay Gould, "Punctuated Equilibrium's Threefold History," 2002

is a theory about speciation and its deployment in the fossil record. It claims that an important pattern, continuous at higher levelsthe 'classic' macroevolutionary trendis a consequence of punctuation in the evolution

http://www.stephenjaygould.org/library/gould_structure.html - 31 kB - Nov 24, 2017
26. Frank Sulloway "The Metaphor and the Rock," 1987

It led him to deny all evidence of progression in the fossil record and hence to reject not only Lamarck's theory of evolution but also contemporary creationist notions, in which "higher" organisms were thought to replace

http://www.stephenjaygould.org/reviews/sulloway_sjgould.html - 35 kB - Nov 24, 2017
27. Stephen Jay Gould Bibliography

1974h. Reply to Morphological transformation, the fossil record, and the mechanism of evolution: A debate. Pt. 1. The statement and critique, by M. K. Hecht. Evolutionary Biology 7: 295–308. (N. Eldredge & S. J. Gould)

http://www.stephenjaygould.org/library/allmon_gould-biblio.pdf - 1 MB - Nov 24, 2017
28. Science B-16: The History of Life

comprise the fossil record. We’ll discuss how fossils form in more detail next week, but first you need to be able to identify the major types of organisms which exist today and which have existed in the past. Towards

http://www.stephenjaygould.org/library/Science_B-16.pdf - 1 MB - Nov 24, 2017
29. Simon Conway-Morris, "The Crucible of Creation," 1997

usually registered in the fossil record by anatomical changes, seems to be unanswerably correct. Once there were only bacteria; now they share the planet with millions of other types of life. Separate and special creation

http://www.stephenjaygould.org/library/conwaymorris_crucible.html - 49 kB - Nov 24, 2017
30. Unofficial SJG Archive - Biography, by Richard Milner

The fossil record seems to show "bursts" of speciation, then long periods of stability. Darwin's reply was that the fossil record was then too sketchy and incompletely known to provide evidence of pattered rates. But vast

http://www.stephenjaygould.org/biography.html - 12 kB - Jan 27, 2018
31. Jerry Adler and John Carey, "Enigmas of Evolution" 1982

In practice, Darwin conceded, the fossil record was much too spotty to demonstrate those gradual changes, though he was confident that they would eventually turn up. But a century of digging since then has only made their

http://www.stephenjaygould.org/library/newsweek_sjgould.html - 34 kB - Nov 24, 2017
32. Stephen Jay Gould, "Evolution: The Pleasures of Pluralism," 1997

and do not arise as artifacts of an imperfect fossil record. The first observation notes that most new species originate in a geological "moment." The second holds that species generally do not change in any substantial

http://www.stephenjaygould.org/reviews/gould_pluralism.html - 55 kB - Nov 24, 2017
33. Ernst Mayr "The Grand Old Man of Evolution" Skeptic interview

Niles Eldredge and Stephen Jay Gould applied that to the fossil record and called it punctuated equilibrium. Was this just a spin-off from what you had already done? What was new in punctuated equilibrium? Mayr: I published

http://www.stephenjaygould.org/library/mayr_interview.html - 45 kB - Nov 24, 2017
34. Wonderful Life (1989)

the nature of the fossil record, and the particular setting of the Burgess Shale itself. Chapter III then documents, as a drama and in chronological order, this great revision in our concepts about early life. A final section

http://www.stephenjaygould.org/books/Wonderful_Life/ - 39 kB - Nov 24, 2017
35. Curt Schleier, "Was it Survival of the Luckiest?" 1998

As a paleontologist, Gould studies the geological recordfossils and rock samplesleft by cataclysms like this to discover the history of life. For him, time is measured in millennia rather than days, there is only one

http://www.stephenjaygould.org/library/schleier_interview.html - 21 kB - Nov 24, 2017
36. SJG Archive - People - Ernst Mayr - Quotations

Darwin argued that the fossil record is very incomplete because some species fossilize better than others. I noted that you are never going to find evidence of a small local populatlon that changed very rapidly in the fossil

http://www.stephenjaygould.org/people/mayr_quotations.html - 18 kB - Nov 24, 2017
37. Unofficial SJG Archive - People - J. B. S. Haldane (1892-1964)

dominant frequency for adaptation by a pronounced bias in the fossil recordthe differential preservation of species with persistently large populations subject to control by small Fisherian differentials in natural selection.

http://www.stephenjaygould.org/people/john_haldane.html - 21 kB - Nov 24, 2017
38. Pinker and Gould "Evolutionary Psychology: An Exchange," 1997

nonfunctional features, trends in the fossil recordoften need different kinds of explanations, from genetic drift to wayward asteroids. So yes, we all should be, and are, pluralists. But we should not be indiscriminate

http://www.stephenjaygould.org/reviews/pinker_exchange.html - 37 kB - Apr 5, 2018
39. A.C. Seward, "Darwin and Modern Science," 1909 - Index

geographical distribution of. --Palaeontological record of fossil. Platanthera bifolia. Plate. Plato. Playfair. Pliopithecus. Pocock, R.I. Poincare. Polarity, Vochting on. Polymorphic species. --variability in cereals. Polypodium

http://www.stephenjaygould.org/library/modern-science/modern-science_index.html - 28 kB - Nov 24, 2017
40. Stephen Jay Gould "Not Necessarily a Wing" 1985

just-so" stories. The fossil record also presents some excellent examples of sequential development through intermediary stages that could not work as modern organs dobut we lack a rigorous mechanical analysis of function

http://www.stephenjaygould.org/library/gould_functionalshift.html - 36 kB - Dec 30, 2017

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