What is the Pleistocene Epoch? (Periods Humans Evolve).
100
5-20 Million years
What is the recovery period?
100
With little to no oxygen.
What is Hypoxia?
200
The period in which life nearly ended.
What is the P-T?
200
Provides an age
What is radiometric dating?
200
97%
How many species have gone extinct since life began??
200
Without oxygen.
What is anoxia?
200
Around 5.5 m.y.a.
What is our ancestors Chimpanzees and Fossil Lucy.
300
The era in which the diversification of mammals drastically increase.
What is Cenozoic Era?
300
Shows you the order of the soil, "the deeper, more ancient.
What is relative dating?
300
around 34,000 years ago.
What is the earliest lunar calendar on bone?
300
This fossil was very important in the emergence of humans, found in Ethiopia.
What is fossil Lucy?
300
What period did the Deccan Traps occur?
What is the K-T?
400
Around 50,000 years ago
What is the Big Bang of the Mind? (This is when human imagination erupts with art and technology, ceremony and language. They tried to describe themselves).
400
No one believed an asteroid could impact so quickly. What hypothesis supported this idea?
What is the Alvarez hypothesis of 1980?
400
During what era did 60-85% of species go extinct?
What is the cretaceous?
400
What happens after a mass extinction? (during recovery period?
What is period of opportunity?
400
the term used when describing how humans become more sexually mature before they are done growing.
What is Neoteny?
500
Greatest brain size ______ during greatest climate change?
Increases.
500
Over-collection for fertilizer.
What is the primary reason for decrease in horseshoe crabs?
500
The era in which we live in?
What is the Cenozoic era?
500
1/1
How many sea turtles are threatened with extinction?
500
Almost all, without exceptions, extinctions in recent times have been attributed because ____?