Fossil relative dating worksheet
If they are folded into a syncline (a U-shaped fold) the youngest rocks are in the core of the fold.
The opposite is true for an anticline (a big dome-shaped fold).
The order of events in the archaeological cross section shows that the oldest remains are Roman.
After this the medieval remains are more recent and the industrial remains are more recent still.
The most recent change of all is the modern bridge support.
We know it is the most recent because it has cut through all of the others.
Name the period in which each of these events occurred: a.
An infertile mule produced when a donkey and a horse mate is an example of ______________________ isolation. Speciation often requires ______________________ of years.
Sedimentary rocks that contain fragments of another rock are younger than the rocks that the fragments came from.
Look at the two nearly identical diagrams, Figures 7 and 8.
The Paleontology Portal will be used as the entry point for student research of a specific organism and the geography, climate and associated species in the area where the organism lived.
Gather books, maps and other earth and life history resources Reserve computer lab.