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How do geologists define the end of the paleozoic and mesozoic eras?
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What are the four geologic time scale eras from oldest to most recent?
The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.
When geologists refer to the big five' what are the referring to?
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
What are the last two geologic eras?
Fat People
Why are there gaps in the fossil record particularly at the end of the Paleozoic and Mesozoic eras?
Apparently, and with evidence, these were periods of global catastrophes (for life-forms) where massive numbers of organisms went extinct.
Which is not a major period of the geologic time scale?
Cenozoic is not a major period of the geologic time scale. The scale is broken down into eras. Cenozoic, Mesozoic and Paleozoic are all part of the Phanerozic era.
Which eras ended with a mass extinction?
Mesozoic and Paleozoic
What are the four geologic time scale eras from oldest to most recent?
The 4 eras are Cenozoic era, the mesozoic era, the paleozoic era, and the precambrian era.
How many eras are there?
Four. Precambrian, Paleozoic, Mesozoic, Cenozoic.
What event marks the division of the Paleozoic and mesozoic eras?
The event that marks the division of the Paleozoic and Mesozoic era is the breaking up of the Pangaea
When geologists refer to the big five' what are the referring to?
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
When geologists refer to the Big Five what are they referring to?
When geologist refer to the Big Five they are referring to the five mass extinctions on Earth. Some of these extinctions are the Paleozoic and Mesozoic eras.
The ends of the geologic eras such as the Paleozoic and Mesozoic are marked by?
mass extinction
What are all 4 eras from largest to smallest?
Precambrian, Paleozoic, Mesozoic, and Cenozoic.
What era was pangeas?
Paleozoic and Mesozoic eras about 250 million years ago
What is biological era?
Bioligical Eras are the same as Geologic Eras. 1) Paleozoic 2) Mesozoic 3)Cenozoic
What are the last two geologic eras?
Fat People
How many eras make up the geologic time scale?
Four eras. that is Cenozoic,mesozoic,paleozoic and precambrian
