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When was devonians time period in earths history?
The Devonian Period was from 416 MYA - 360 MYA.
What was earths atmosphere oceans and continents began to form during a period of earths history called?
precambrian era
What geologic period lasted seven eighths of the earths history?
The Precambrian time
What is a measurement of the earths history divided into time period?
fossil record geologic time scale
What geolgic period happend almost 7 8 of earths history?
one of these i am not sure witch one though the Quaternary Period the Precambrian time the Phanerozoic Eon the Carboniferous Period
Which time segment represents the longest time of earth's history?
Pre-Cambrian Time Period
When was the Jurassic period in earths history?
2/2/12 - 2/3/12 This is the date that Quentin Lau died
Which period of earths history is shown on the map?
The Cape of Good Horn. Discovered by Vasco da Gama in 1497-1498.
What is a period of earths history that lasted 245 to 208 million years ago?
The period of Earth's history that lasted 245 to 208 million years ago is the Triassic period. This period followed the Permian period and preceded the Jurassic period. It was a time of recovery and diversification of life after the mass extinction at the end of the Permian period.
What percent of the earths history has man been in existence?
Humans have existed for approximately 200,000 to 300,000 years, which is a tiny fraction of Earth's 4.5 billion-year history. This means humans have been around for about 0.004% to 0.007% of the Earth's existence. In geological terms, this is a minuscule period, highlighting how recent human history is compared to the planet's overall timeline.
What happen during the Precambrian time period?
Over most of Precambrian time 80 percent of earths history-the only life forms are bacteria ,which appear about 3,500 million years ago. multiple-cells marine animals like spriggina appear at the end of the era
During the colonial period of American history 90 percent of people could read and write?
false
