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Fossilization
Examples of Fossils
Periods of Time
Extinctions
Mix-em Up
100
What is the kind of scientist who studies fossils?
What is paleontologist
100
What is amber?
What is hardened tree sap
100
How are rock layers arranged in the geologic column?
What is oldest on the bottom
100
What type of life existed before the Phanerozoic Eon?
What is microscopic life
100
Name one example of a trace fossil
What is coprolite (preserved animal waste), burrows, footprints/tracks
200
What does studying fossils tell scientists?
What is their size, what they ate, how big they were, how they lived
200
The best insect fossils are found in what material?
What is amber
200
Which era ended with the largest mass extinction in Earth's history, where 95% of all marine life went extinct?
What is Paleozoic
200
What animals started to appear during the end of the Mesozoic era and survived the mass extinction that killed the dinosaurs?
What is mammals
200
Relative Dating is when you figure out the age of a rock by comparing it to?
What is older rocks
300
Why did many organisms never become fossils?
What is they decayed/decomposed too quickly
300
Marine fossils discovered on a Canadian mountaintop supported Charles Lyell's idea that the rocks on the mountain were once?
What is below the ocean
300
What is the largest division of geologic time?
What is Eon
300
What era was the first of the Phanerozoic Eon and ended 248 million years ago?
What is Paleozoic
300
Steno's law that states that oldest layers are on the bottom, youngest layers are on the top is called?
What is superposition
400
How many years of Earth's history do geologist study?
What is 4.6 billion years
400
When the openings of wood, bone, or insects are filled with water containing minerals that crystallize it is called?
What is permineralization
400
What era is known as the "Age of the Reptiles"?
What is Mesozoic
400
What is extinction?
What is the death of every member of a species
400
What do geologist use to identify specific periods of time and the ages of rock layers?
What is index fossils
500
The trace of an organism that has been naturally buried and permanently preserved is a?
What is fossil
500
A fossilized depression left behind by an organism is called a?
What is mold
500
What eon do we live in now?
What is Phanerozoic Eon
500
What era began 65 million years ago and is known as the "Age of Mammals"?
What is Cenozoic
500
What does coal found in Antarctica tell scientists?
What is the area used to be much warmer and more tropical