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Sea Lilies – Another Explosion

The "Cambrian explosion" is a term used to describe the abrupt appearance in the fossil record of major animal phyla, without intermediate forms in lower layers. This pattern of abrupt appearance can be observed for many groups of organisms, including crinoids (sea lilies).

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Trilobite Explosion

The abrupt appearance of trilobites in Cambrian strata and their absence in Precambrian sediments is a real feature of the rock record and not due to failure of preservation in Precambrian rocks.

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How Long do Fossils Take to Form?

The study of fossils and the associated rocks in which they are preserved gives us information about ancient conditions in which organisms lived, called paleoenvironments, and the pathways leading to their fossilization.

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Some Things We Can Know

EDITORIAL. Those who study historical topics such as origins often face questions for which no easy answers are evident. Nevertheless, there are some things that can be known, and these should not be overlooked. Published in Origins, n. 65.

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Patterns in the Fossil Record, Part 2

A general note of caution is necessary in the discussion of patterns in the fossil record. As with many other aspects of the natural world, the complexity that we find in this field of study tends to transcend our idealized categorizations.

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Patterns in the Fossil Record, Part 1

Fossils are remains of organisms or traces of their activity preserved in the rock record. The scientific significance of fossils is truly remarkable, because they represent the only available archive of past forms of life. Through fossils, not only can we reconstruct the morphology of extinct creatures but also infer aspects of their ecology and environment. Fossils are also very relevant in discussions…

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 2015, covering topics such as phylogeny of moths, beak variations in species of Galapagos finches and scrub jays, functional synthetic chromosomes, horizontal gene transfer, Jurassic fossil snakes, stasis, trace fossils of swimming tetrapods, and habitat diversity in the fossil record. Published in Origins, n. 64.

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The Cambrian Explosion

Texbooks describe the fossil record as the ‘best evidence’ for evolution. They claim that the fossil record proves evolution because there seems to be a succession from simpler to more complex life forms, and a succession from marine to terrestrial forms. Charles Darwin suggested that all life has a common ancestor. “All the organic beings which have ever lived on this earth may be descended from some…

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Lazarus Species

Lazarus species raise questions about how the geologic column formed. They are one good reason that we should be thinking about mechanisms other than deep time to account for the order we observe in the fossil record.

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Cambrian Explosion and Darwin's Doubt

If one accepts the evidence of the Cambrian Explosion at face value, the Darwinian theory of evolution is falsified. Unsurprisingly, evolutionists have tried to explain the Cambrian Explosion as an artifact, due to the incompleteness of the fossil record. However, there is an explanation for the Cambrian Explosion that is consistent with the data. An intelligent being could generate the genetic information needed for a diversity of body types in a short time.

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Climbing Up and Down Through the Fossil Record

There is significant scientific data consistent with the biblical record of history, EZT represents one scientific theory that seems to explain historical data from the Bible and data from paleontology thought to challenge the Biblical record.

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 2003, covering topics such as frog biogeography, moas, the hoatzin, magic bullets in creationism, intelligent design, gene duplication, snail variation, Cambrian lagerstatten, extraterrestrial impacts, hotspots, carbonates, mitochondrial Eve, pseudogene function, mutations in bacteria, fossil diversity patterns, feathered dinosaurs, the fossil Microraptor, intermediate fossil Ichthyostega, problems with the evolutionary tree, and mitochondrial DNA differences. Published in Origins n. 58.

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Polyphyly and the Cambrian Explosion

Most animal phyla, including those with soft bodies, appear in Cambrian sediments, in a pattern called the Cambrian Explosion. This pattern is exactly opposite of that predicted by Darwin's theory, but is readily explained in the context of creation and a global catastrophe. Published in Origins n. 53.

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 1999 (mostly), covering topics such as fox domestication, biogeography, a polyploid mammals, gene duplication, inbred cattle, pseudogenes, Missoula Flood, protein evolution, origin of life, dinosaur skin, quality of the fossil record, fossil burrows, Cambrian explosion, Neanderthal DNA, problems in phylogenetics, Australopithecus face, Galapagos tortoise phylogeny, the hoatzin bird, lateral gene transfer, limits to change, shark phylogeny, rift lake cichlids, and homeobox genes. Published in Origins n. 52.

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 1998, covering topics such as boat-building by Homo erectus, biogeography of baobab trees, dispersal by hurricane, design in the genetic code, molecular machines, the problem of homology, peppered moths, lateral gene transfer, Antarctic fish hemoglobins, mammoth phylogeny, origin of life, diversity of Ordovician fossils, patterns of diversity in fossils, bryozoan carbonates, fossil insects and plants, fossil record of vertebrate tracks, body size in North American mammals, Precambrian sponges, Cambrian traces of dinoflagellates, fossil flowers, fossil bird taphonomy, decay of shrimps, catastrophic burial of dinosaurs, fossil whales, and Adam, death and sin. Published in Origins v. 25, n. 2.

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Fossil Patterns: A Classification and Evaluation

One of the most interesting challenges in understanding Earth history is explanation of the order in the fossil record. Study of fossil patterns and trends should help improve our understanding of the underlying processes. Published in Origins v. 23, n. 2.

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 1993-1994, covering such topics as parasite degeneration, convergence in diapsid reptiles, induced neoteny, genetic code, directed mutation in bacteria, radiohalos in a diamond, coelacanth phylogeny, marsupial phylogeny, origin of life, and fossil change in Jurassic rocks. Published in Origins v. 22, n. 1.

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 1993-1994, covering topics such as C. elegans genes, hotspots, stromatolites, insecticide resistance, and the Cambrian Explosion. Published in Origins v. 21, n. 2.

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Annotations from the Literature

A collection of short commentaries on scientific papers published in 1991, covering topics such as Permian trees, molecular genetics, epigenetics, inheritance of paternal mtDNA, water and formation of petroleum, water in mantle rocks, impacts, Ordovician volcanism, molecular phylogenies of ratites, termites, cichlids and sabertooths, osteocalcin in dinosaur bones, fossil flowers, origin of life, Precambrian predation, stromatolites, Cambrian Explosion, quality of fossil record, rapid speciation, tree biogeography, Miocene ape, fossil dermopteran, Asian marsupial, dinosaurs, mammal-like reptile. Published in Origins v. 19, n. 2.

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Fewer Answers Than Questions

A review of the book, Rates of Evolution. Published from a symposium on evolution. Published in Origins v. 16, n. 2.

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