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Index fossils (also known as guide fossils, indicator fossils or zone fossils).
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∙ 11y ago
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How are index fossils different from original fossil remains?
Index fossils are original fossil remains, just a specific subcategory of them. Index fossils are used by paleontologists to identify a particular period of time and often a subperiod of time - the specific fossil is chosen as an index fossil because it is very specific to a time period and allows the other fossils and remains around them to be identified to the same time period.
How long must a species have existed to be an index fossil?
The length of time is not as critical as the traits of being widespread, rapidly evolving, and observable only during a specific period of time.
What is fossils organisms that lived a short period of time called?
They are called index fossils.
What is a measurement of the earths history divided into time period?
fossil record geologic time scale
What is a measurement of the earth history divided into time period?
fossil record geologic time scale
How are index fossils different from original fossil remains?
Index fossils are original fossil remains, just a specific subcategory of them. Index fossils are used by paleontologists to identify a particular period of time and often a subperiod of time - the specific fossil is chosen as an index fossil because it is very specific to a time period and allows the other fossils and remains around them to be identified to the same time period.
What is an organism used to identify a specific geologic time period called?
It's called an index fossil.
How long must a species have existed to be an index fossil?
The length of time is not as critical as the traits of being widespread, rapidly evolving, and observable only during a specific period of time.
What fossil lived for the longest period of time?
pelozic
What characteristics must a fossil have to be useful as an index fossil?
An index fossil must be of a rapidly evolving organism that only existed for a specific period of time, is easily recognizable, is abundantly preserved, and was widespread geographically. Most index fossils are therefore of marine organisms.
How paleontologists use trilobite fossil as index fossil for various geologic time period?
yeah
When scientist identify the age of a fossil they?
Place it in a time period
What is fossils organisms that lived a short period of time called?
They are called index fossils.
How the fossil record indicates a long history of changing life forms.?
The fossil record shows that different species have evolved over time. The fossil record also provides evidence of how a specific organism evolved from earlier species. The fossil record shows that organisms have become more complex over time. It also shows which organisms lived during the same time period, which have a common ancestor, and which have become extinct.
What is a measurement of the Earth's history divided into time period?
fossil record geologic time scale
What is a measurement of the earth history divided into time period?
fossil record geologic time scale
What is a measurement of the earths history divided into time period?
fossil record geologic time scale
