Sentences with phrase «paleontological record»
The phrase "paleontological record" refers to all the evidence and information about ancient life that scientists have gathered from fossils and other ancient remains found in the Earth's crust. It helps researchers understand how life on Earth has evolved over millions of years. Full definition
These changes are well - represented in marine sediments and in paleontological records from the continents, where vegetation zones moved Equator - ward.
britannica.com
But the team also cross-checked the documents with paleontological records — including pollen, leaf parts known as phytoliths, and charcoal preserved in lake sediment and soil — to reconstruct the historical ecology of tropical regions of Africa.
As sedimentary basins subside, they preserve a geochemical, mineralogical, sedimentary, and paleontological record of evolving depositional environments.
According to the genetic and paleontological record, we only started to leave Africa between 60,000 and 70,000 years ago.
And you can see in the paleontological record that from that point on, the mammals burst forth, getting big, getting varied, taking over.
The paleontological record also shows that there were species that once lived on the islands like the pygmy mammoth and the giant deer mouse, which are now extinct.
«That's what the paleontological record tells us too — that many species don't change in form, at least that we can see from fossils, they shift their ranges [under climate change],» he added.
The paleontological record has nothing but net benefit to the biome from warming and net detriment from cooling, with the net effect of cooling much stronger than the net effect of warming, and negative with cooling, of course, rather than positive with warming.