Friday, March 24, 2017

Geological Timeline

From this activity, I learned about the timing of many prehistorical events. I always considered events like the dinosaur extinction to be an incredibly long time ago. While it still is a long time, according to my standards, the distance between today and their extinction would only be 6.5 centimeters out of the total 450 centimeters. All in all, it's not that long ago when you compare it to the total history of the earth. The last 650 million-ish years on the timeline was filled with events and important details leading to today (like Mr. Wong's birthday). Before that, the timeline would have long spots of barely anything, as change was much slower and much less intricate back then. All of this timeline (which I believe is correct) relies on Darwin's predictions of evolution. Charles Darwin talked about how species gradually changed to become what they are now, and will continue to change indefinitely. The timeline shows examples of Darwin's teachings, as it shows the appearances of creatures like mammals, modern humans, and cells. Darwin talked about creatures appearing and changing, and that is exactly what the timeline shows. The timeline relies on and supports Darwin's theory.

Here are some pictures. The first is me with a part of the timeline, and the second is a picture of the most recent 650 million-ish years. The major eras beginning there are in bold. The third picture is the beginning of the Precambrian era, which started with the earth 4.6 billion years ago.


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