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5th gr fossils&eras2

review for test

What are the remains or prints of a dead organism that is usually found in rock fossils
what is a fossil that shows an animal's activity, like a footprint? trace fossils
What is rock that forms from the deposit of sediment, usually found in layers, called? sedimentary rock
Where would you find older rock layers -- at the top or the bottom? at the bottom
in what era are fossils hard to find? precambrian era
Which era is known as "the age of the dinosaurs"? mesozoic era
when did humans appear? cenozoic era
In what era did the formation of the earth begin? precambrian era
what era did trilobites live in? paleozoic era
what era are we currently in? cenozoic era
How many eras are in earth's history? 4
what are tiny bits of matter that settle in water? sediment
Created by: cariherbst