It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Thank you.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by Mkoll
reply to post by NewerBeing
Humans evolved from mammals. Mammals evolved from Therapsids. Theraspids and Reptiles both branched off from the first animals with terrestrially adapted eggs (came from amphibians). Theraspids were the dominant type of land animal for a while and dinosaurs evolved during that time. They were little or mid sized ones then, just like mammals were under dinosaurs. Then a mass extinction happened and the Theraspids lost their dominant evolutionary place to the Dinosaurs. Eventually mammals branched from the Theraspids and the remaining Theraspids died off. Birds eventually branched off from dinosaurs and then finallly the dino-killer hit and then Mammals took the place as the dominant land animal and birds became the only living relative of the dinos. I'm guessing that after the next major mass extinction the rodents will take the helm.
Unless you are talking about the alien kind of reptilians. In that case I didn't watch the show and don't know what exactly they are speculating.edit on 6-5-2012 by Mkoll because: (no reason given)edit on 6-5-2012 by Mkoll because: (no reason given)
Originally posted by TruthxIsxInxThexMist
[Snip]
TO the OP: A Meteor extinguished the dinosaurs??? Where is the evidence of such an event?
Originally posted by TruthxIsxInxThexMist
TO the OP: A Meteor extinguished the dinosaurs??? Where is the evidence of such an event?
It was a large-scale mass extinction of animal and plant species in a geologically short period of time. Also known as the K–T extinction event (also called K–Pg), it is associated with a geological signature known variously as the K–T boundary,
Numerous groups of organisms became extinct during the K-Pg extinction event, most notably the non-avian dinosaurs. Non-avian dinosaur fossils are found only below the K–T boundary, indicating that they became extinct during the boundary event.
The main evidence of such an impact, besides the crater itself, is contained in a thin layer of clay present in the K–Pg boundary across the world. In the late 1970s, the Alvarezes and colleagues reported that it contained an abnormally high concentration of iridium. Iridium levels in this layer reached 6 parts per billion by weight or more compared to 0.4 for the Earth's crust as a whole; in comparison, meteorites can contain around 470 parts per billion of this element. It was hypothesized that the iridium was spread into the atmosphere when the impactor was vaporized and settled across the Earth's surface amongst other material thrown up by the impact, producing the layer of iridium-enriched clay.
The evidence for the Alvarez impact theory is supported by chondritic meteorites and asteroids which have an iridium concentration of ~455 parts per billion, much higher than ~0.3 parts per billion typical of the Earth's crust. Chromium isotopic anomalies found in Cretaceous–Tertiary boundary sediments are similar to those of an asteroid or a comet composed of carbonaceous chondrites. Shocked quartz granules and tektite glass spherules, indicative of an impact event, are also common in the K–T boundary, especially in deposits from around the Caribbean. All of these constituents are embedded in a layer of clay, which the Alvarez team interpreted as the debris spread all over the world by the impact.
Originally posted by TruthxIsxInxThexMist
So, what about lizards and crocodiles???? You havnt thought this through well enough!!
As for the Theory of Dinosaurs evolving to become Alien beings now capable of traveling through space??? I guess you gotta say its possible if we ourselves evolved from Apes!! (which i still dont believe btw).
TO the OP: A Meteor extinguished the dinosaurs??? Where is the evidence of such an event?
Originally posted by NewerBeing
reply to post by Zeer0
The part of the brain without a labal, under the temporal lobe, that part of the brain is reptilian.
www.crystalinks.com...
For example, the basal ganglia (structures derived from the floor of the forebrain and making up MacLean's reptilian complex) were shown to take up a much smaller portion of the forebrains of reptiles and birds (together called sauropsids) than previously supposed, and to exist in amphibians and fishes as well as mammals and sauropsids. Because the basal ganglia are found in the forebrains of all modern vertebrates, they most likely date to the common evolutionary ancestor of the vertebrates, more than 500 million years ago, rather than to the origin of reptiles. Sauropsids were shown to possess forebrain roof structures similar in connectivity and function to the cerebral cortex (MacLean's neomammalian complex) in mammals.[6][7] Because these structures look different from the corresponding forebrain roof structures in mammals, they were originally mistaken for a part of the basal ganglia.
Originally posted by TruthxIsxInxThexMist
reply to post by Druscilla
Ok, so there is proof a Meteor hit the Earth??? It still doesnt mean it could have wiped all life from the planet!!
Originally posted by TruthxIsxInxThexMist
And btw i'm not one of those people who believe everything which is written in books!!