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Fossils. I'm just guessing but that sounds right. I have it for homework, and im doing it right now
a crevace
the Hadean eon
[True]
[True]
Fossils. I'm just guessing but that sounds right. I have it for homework, and im doing it right now
The fossil record is incomplete because not all fossils have been discovered. In actuality it is unlikely that all fossils will ever be discovered given the hit and miss nature of fossil discovery which usually occurs through educated guess work. The fossil record will likely never be complete.
a crevace
Forgiveness Rock Record was created on 2010-05-04.
The fossil record is basically the totality of fossils, discovered or undiscovered, and their placement within rock formations and sedimentary layers. The fossil record is important in helping us produce a chronology for the history of life on Earth as well as the evolutionary relationships between the organisms represented by the fossils. The number of fossils we have discovered remains incomplete, which is why we are continuously searching for more.
A gap in the geological record in a body of rock is called an unconformity.
A gap in the geologic record of rock formations is called an uncomformity.
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There will only be a record of a given part of geologic time if sediment was laid down at that time. For any given time period, there are regions in which sediment was not laid down. Addtionally, even where the sediment was laid down, some may been eroded and the rock record destroyed. Additionally, in a region where rock from one time period are expossed, rocks from older periods, if they exist, will bur buried, often too deep to be accessible.
yes
yes
the Hadean eon