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How do we know that people lived 1000 years ago?

Two words... fossil records. There are fossils all over the planet - which can be electronically 'dated' - showing that people have lived for thousands of years.


Are trilobite fossils older than fish fossils?

No. Trilobytes are the oldest fossils ever found. They are the reason the theory of evolution is still only a theory. They were complex organisms with all the basic organs, complex eyes and a respitory sytem. If evolution is true, why for over two centuries have no fossils been found leading up to their evolutionary "place."


Are fossils young compared to the age of the Earth?

The oldest fossils found are considered to be from the late Archean period which ended 2500 million years ago. By contrast, the Earth is believed to be 4500 million years old. So, though both dates are amazingly old, the Earth is definitely older than the fossils.


Which layer of the Badlands contains reptile fossils but no dinosaur fossils?

The Badlands in Badlands National Park contain reptile fossils (including alligator fossils), but do not contain dinosaur fossils. Note that "Badlands" refers to a type of geographical feature, which is not only found in Badlands National Park.


Can fossils be used as index fossils?

Yes, index fossils are special fossils that act as geological tools enabling comparison in time of a range of geological units and environment. Normally, they are selected using certain attributes such as the fossil should be widespread, abundant, fast evolving, and independent of their environment.

Related Questions

Fossils around 1000000 years old likely to be dated?

relitive-age dating


Can carbon dating be used to identify the age of index fossils?

No. Carbon dating is only effective for time periods less than 70,000 years. This excludes all the major index fossils, and is a very short geologic time span. Index fossils can be dated, however by their association in the geologic column with metamorphic and igneous rocks, which can be radiometrically dated.


Does harry like older girls?

yes he does once he dated a girl which was 15 years older than him


What year is 60000 years ago?

60000 years ago = 60000-2013 BC = 57987 BC


Is a limestone bed containing fossils that are 550 million years old older than a bed of sandstone containing fossils that are 400 million years old?

550 million years old


Why do scientist use radioisotopes to find the age of fossils?

Radiometric dating of fossils is not possible beyond roughly 70,000 years. However, when fossils are found in association with strata of volcanic and metamorphic rocks which can be dated radiometrically, a very accurate age of the fossils can be determined.


How old are komodo dragons?

Fossils of Komodo dragons have been dated to a little less than 4 million years ago.


When did apes and hominids diverge?

The first fossil remains that have been found were dated around 4.4 million years ago. These were the fossils of Ardipithecus Ramidus, which lived 1 million years before the last fossils that were found.


Have you ever dated someone 11 years older than you when you were a teenager If you did how and did it work out?

that's illegal


When did Spinosaurus Go Extinct?

Spinosaurus fossils are dated to between 112 and 97 million years ago. They probably died out around 97 million years ago.


What is the earliest known amphibian fossil?

The earliest known amphibian fossils can be dated back to 375 million years ago. The fossil of Elginerpeton was found in Scotland and was from the Late Devonian period.


What can the scientist conclude about these birds?

Fossils in layer 5 are less than 540 million years old.