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Hmmmm! Looks like this fossil only lived for about 3 million years during the Mesozoic Era.
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
If dinosaurs come before birds in the fossil record, how come I found this bird fossil layers beneath the dinosaur fossil
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
To find the age of the Earth's scientists operate on the assumption that the natural processes seen today have always been that way.
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
It's amazing to think of how some species survive and multiply at a faster rate than others.
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
Uh Oh! Looks like the lava flowed to the surface and became hardened.
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
In 5,730 years you'll only half the amount of carbon 14 left
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
It looks like there's a break in Earth plates here. Wonder what's going on.
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
This unwritten calendar correlates the history of life on Earth with major events in its existence.
half-life
natural selection
geologic time scale
fault
extrusion
unconformity
index fossil
uniformationism
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