Comments by "WaterspoutsOfTheDeep" (@WaterspoutsOfTheDeep) on "UsefulCharts"
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@ From 50 to 80 percent of the animal phyla known to have existed at any time in Earth’s history appeared within no more than a few million years of one another, as the Cambrian geological era began.
Of the 182 animal skeletal designs theoretically permitted by the laws of physics, 146 appear in the Cambrian explosion fossils.
The Cambrian explosion marks the first appearance of animals with skeletons, bilateral symmetry, appendages, brains, eyes, and digestive tracts that include mouths and anuses.
Virtually every eye design that has ever existed appears simultaneously in the Cambrian explosion.
The moment oxygen levels in Earth’s atmosphere and oceans permit the existence of Cambrian animals, they suddenly appear.
The Cambrian explosion occurs simultaneously with the drastic change in sea chemistry known as the Great Unconformity.
The Cambrian explosion includes the most advanced of the animal phyla, chordates, including vertebrate chordates.
and so on and so on.
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