Putting fossils in time order Flashcards
1
Q
Where are most fossils buried?
A
sediments, where fresh sediment always settles on top of older sediments.
2
Q
What does the layer means?
A
younger fossils are above older ones in sedimentary layers
3
Q
By applying principle, fossils can be arranged in?
A
age order
4
Q
How is it extended further?
A
correlating fossils from one area to another, giving relative ages
5
Q
From this what do scientists begin to picture?
A
the history of life on Earth
6
Q
How can the actual age of fossil be found?
A
by measuring the amount of radio activity remaining in some rocks
