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A mid Cambrian scene, a reconstruction of the famous Burgess Shale site in what is now British Columbia, Canada. In the foreground a swimming Laggania cambria ... Plants of the Cambrian period included only algae (seaweeds). There were no known land plants, the land was still bare of any life other than microorganisms.
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www.palaeos.com/Paleozoic/Cambrian/Cambrian.htm
www.palaeos.com/Paleozoic/Cambrian/Cambrian.htm
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Pre-Cambrian Era, 4560-540 MYA ... Figure 02 Plants Family Tree [view large image] ... Cambrian Period, 540-500 MYA (new timescale)
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universe-review.ca/R10-23-plants.htm
universe-review.ca/R10-23-plants.htm
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Cambrian: the beginning of the Paleozoic Era. ... Animals with hard-shells appeared in great numbers for the first time during the Cambrian. The continents were flooded by shallow seas. The supercontinent of Gondwana had just formed and was located near the South Pole.
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www.scotese.com/newpage12.htm
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Perfectly tetrahedral cryptospore tetrads occur in the middle Ordovician (Llanvirn), setting the presently accepted date for the origin of land plants (embryophytes). The cryptospore record in Laurentia begins in the late early Cambrian Rome Fm (Tennessee).
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gsa.confex.com/gsa/2006AM/finalprogram/abstract_114319....
gsa.confex.com/gsa/2006AM/finalprogram/abstract_114319.htm
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This stunning and unique evolutionary flowering is termed the "Cambrian explosion," taking the name of the geological age in whose early part it occurred. ... In order to be available to us, the remains of ancient plants and animals have to be preserved first, and this means that they need to have fossilizable parts and to...
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www.pbs.org/wgbh/evolution/library/03/4/l_034_02.html
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The largest genetic study ever performed to learn when land plants and fungi first appeared on the Earth has revealed a plausible biological cause for two major climate events: the Snowball Earth eras, when ice periodically covered the globe, and the era called the Cambrian Explosion, which produced the first fossils of ...
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www.sciencedaily.com/releases/2001/08/010810070021.htm
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The research suggests that animals have been evolving steadily into different species for at least 1200 million years, which challenges a popular theory known as the Cambrian Explosion that proposes the sudden appearance of most major animal groups, known as phyla, 530 million years ago. ... Plants & Animals...
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www.sciencedaily.com/releases/1999/01/990121073459.htm
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Nature - the world's best science and medicine on your desktop ... The first land plants might have triggered a rush of animal evolution. German researchers are proposing a controversial theory that the plants cooled Earth, making it conducive to complex life1.
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www.nature.com/nsu/030929/030929-4.html
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The first land plants might have triggered a rush of animal evolution. German researchers are proposing a controversial theory that the plants cooled Earth, making it conducive to complex life1. ... Many researchers think that rising, not falling, temperatures lit the fuse for the Cambrian explosion, the biological Big...
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www.pik-potsdam.de/PLACES/teammedia/media/grl_cambrian/...
www.pik-potsdam.de/PLACES/teammedia/media/grl_cambrian/nature.html
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