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Fossils and Stratification

Chapter 8 pre-quiz
Across
Fossils in original setting are in ___
Process: Dead animal decomposes, is covered with sediments and minerals in ground water replace organic minerals
Layers one on top of another
Oldest epoch of our Era
Dating based on chronometirc isotope decay techniques
Current epoch of our Era
Relative dating based on compared fossils from different sequences
Ancient soil term
Use animal ordered fossils to tell relative time
Chronometric dating uses one of some sort to measure age in years B.P.
Study of what happens to remains of an animal from time of death to rediscovery
Insects preserved whole in ---
Study of geological [stone] deposits --stratigraphy
Study of the order of soil or rock layers in sequence of events they reflect
Layer or deposit of soil
Fossil feces
Era in which we live
Down
Soil or rock mold of an organism
Prefix meaning old/ancient
Foot prints or body impressions in ancient rock
Buried jaw of orangutan with skull of modern human hoax
K-Ar radioactive elements
When might organic remains survive?
Organic remains in swamps
Study of extinct organisms based on fossil remains
Ancient land mass composed of Africa and South America
Study of earth systems
Ancient land mass composed of North America and Asia
When glaciers expand, sea levels ____
Dating techniques that refer to older or younger than
Stratigraphy based on chemical fingerprint of volcanic ash relations
Time it takes for half of original unstable isotopes of an element to decay
Paleocene was --- than the Pleistocene temperatures