Has the Origins of Human Life on Earth Been Discovered?

Aragorn · Jan 2, 2022

I thought humans came from Mars after the majority of the population stopped believing in science, medicine and higher education, and a select group of people managed to flee the planet during a politicized pandemic and theocratic tyranny.

Asbo Zaprudder · Jan 2, 2022

Men are from Mars, women are from Venus, and dogs are from Pluto. No, I'm not being Sirius.

Dryson · Jan 2, 2022

Dinosaur footprints dating back 200 million years discovered on Wales beach, researchers believe

https://www.cnn.com/2022/01/02/uk/dinosaur-footprints-wales-beach-intl-scli/index.html?utm_content=2022-01-02T11:45:06&utm_source=fbCNN&utm_term=link&utm_medium=social&fbclid=IwAR3UkhlEbDpzzqktyqMmTzIGKutcq7Ye4UGrol45IIXa4fnHTg57_3YHkXs

Sauropoda, whose members are known as sauropods, is a clade of saurischian dinosaurs. Sauropods had very long necks, long tails, small heads, and four thick, pillar-like legs. They are notable for the enormous sizes attained by some species, and the group includes the largest animals to have ever lived on land.

The last time that Wales would have been connected to the mainland before America and Europe drifted apart and thus creating the island would have been around 100 million years ago. Sauropods are not known to swim and for herds of Sauropods to swim the 174 meter deep English Channel would have seen all of the Sauropods drown. 200 million years ago though, much of the West was connected as an entire continent that would have allowed Sauropods to herd to the region known as Wales. Large conifers would have provided the Sauropods with all of the food that they needed. Sauropods had such a large food requirement you could say that they were Mother Nature's first lawn care company. A herd of Sauropods would have toppled a forest in a matter of days. In behind the Sauropods would have come smaller dinosaurs that now found easy prey that had been using the forests as cover but do to the Sauropod's their cover was now gone. But as the Sauropods brought down great forests, new animals would evolve in the wake of destruction left behind.

Even though sauropods were the dominant herbivores in North America during the Late Jurassic, and though various forms persisted through the Early Cretaceous, the entire group vanished from the continent about 100 million years ago.

100 million years ago, the continents were well on there way to breaking apart. 150 million years ago is when the last herd of Sauropods from the mainland might have migrated to the island that would eventually become the UK. Being stuck on the island and unable to swim, the Sauropods were most likely wiped out by T-Rex, and not enough conifers to feed their herd as well as not being able to cross to the mainland.

The People
The earliest people here that we know about were a (presumably) Homo erectus family who left their footprints on a mudflat in Norfolk about 800,000 years ago.

With humans having been discovered in the UK 800,000 years ago is interesting for the matter of fact that humans would have had to have had boat making knowledge and the tools to make boats to cross the 240 km English channel.

Humans could have been on Earth for close to 150 million years and would have settled into regions where Sauropods had once lived and had been chased by T-Rex and then after both died off, newer species emerged in the now forest depleted lands of Wales. Early humans would not have migrated but would have kept to a relatively small area feeding on small game and plants. As the UK broke away from the continents though, groups of early humans, unable to to build boats or tools, would stayed on their island which eventually allowed for faster progress of the human species as larger predatory species that hunted early humans, died out or were killed off by humans. Even 800,000 years ago, humans still wouldn't have developed tools for cutting down trees nor knowledge of building boats, thus putting early humans on Earth, possibly around 150 million years ago.

https://theconversation.com/how-the...-apart-to-form-the-world-we-have-today-131632

Asbo Zaprudder · Jan 2, 2022

200 million years ago is a very long time after the origin of life on Earth, believed to have been somewhere between 3,500 and 4,000 million years ago. Dinosaurs were multicelled, eukaryotic, tetrapod vertebrates like we are. That they might have left trace fossils of their movement is not surprising and this discovery is by no means the first. The descendants of some dinosaurs survived past the Cretaceous–Paleogene (K-Pg boundary) extinction event as birds. Modern humans only arrived on the scene much later, probably within the last 200,000 years.

The oldest types of tetrapod tail-and-footprints date back to the latter Devonian period. These vertebrate impressions have been found in Ireland, Scotland, Pennsylvania, and Australia. A sandstone slab containing the track of tetrapod, dated to 400 million years, is amongst the oldest evidence of a vertebrate walking on land.

Trace fossil - Wikipedia

ETA: The English Channel formed more recently than 800,000 years ago:

The Channel is of geologically recent origin, having been dry land for most of the Pleistocene period. Before the Devensian glaciation (the most recent glacial period, which ended around 10,000 years ago), Britain and Ireland were part of continental Europe, linked by an unbroken Weald–Artois anticline, a ridge that acted as a natural dam holding back a large freshwater pro-glacial lake in the Doggerland region, now submerged under the North Sea. During this period the North Sea and almost all of the British Isles were covered by ice. The lake was fed by meltwater from the Baltic and from the Caledonian and Scandinavian ice sheets that joined to the north, blocking its exit. The sea level was about 120 m (390 ft) lower than it is today. Then, between 450,000 and 180,000 years ago, at least two catastrophic glacial lake outburst floods breached the Weald–Artois anticline.
...
The flooding destroyed the ridge that connected Britain to continental Europe, although a land connection across the southern North Sea would have existed intermittently at later times when periods of glaciation resulted in lowering of sea levels. At the end of the last glacial period, rising sea levels finally severed the last land connection.

English Channel - Wikipedia

The claim that humans have been around for 150 million years requires extraordinary evidence other than watching crackpot YouTube videos.

Mudd · Jan 2, 2022

Has the Origins of Human Life on Earth Been Discovered?

Not in any way connected with the OP's misinformed beliefs, no.

Ragitsu · Jan 2, 2022

For me, reading these threads always reinforces two facts.

1. We know precious little about that which came before.
2. We know that - barring a miraculous breakthrough (or series of such breakthroughs) - any advancements needed for true interstellar travel/colonization/exploitation will take countless generations into the future.

Bring on the Vulcans, I say. A thoroughly (but temporarily) irradiated atmosphere is a small price by comparison.

publiusr · Mar 5, 2022

Has the Origins of Human Life on Earth Been Discovered?

Aragorn

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Asbo Zaprudder

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Dryson

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Asbo Zaprudder

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Mudd

Who cares?

Ragitsu

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publiusr

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