Geologic Time is a crucial concept to understanding the history of the earth—including the evolution of life ... The geologic time scale is divided into eons, eras, periods, epochs, and ages. Our ...

The geological time scale, established by scientists in the ... The Oxford Encyclopedia of Evolution by Mark Pagel, ed. New York: Oxford University Press, 2002. The Book of Life: An Illustrated ...

To understand evolution, humans must think ... The stretch of geologic history is commonly referred to as "deep time," and it's a concept perhaps as difficult to conceive as deep space.

Based on the perspective of lunar dynamic evolution, Chinese researchers creatively established an updated lunar geological time scale, objectively depicting the geological evolution of the moon ...

Numerical ages estimate the date of a geological event and can sometimes reveal quite precisely when a fossil species existed in time. Third, magnetism in rocks can be used to estimate the age of ...

In paleontology and paleobiology, we ask questions about the evolution of life that range across all geological time and span from individual species to the whole of life. We study the evolution of ...

Primeval fish that were thought to be "living fossils," largely unchanged since the time of the ... suggest that the large-scale movement of continents may spur the evolution of life, the ...

I like to use a meter stick and be very intentional with my spacing to model time as a scale. I also avoid using the far right ... of the Earth that is characteristic of a particular span of geologic ...