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Geologic Time ES

Geologic Time

QuestionAnswer
What is a fossil? is the remains, impression or other evidence preserved in rocks of the existence of former life
What is an index fossil? a fossil that only lived for a short period of time
What is the largest separation of Geologic Time? Epoch
What era did human life evolve? Cenozoic Era
What period is noted for dinosaur days? Jurassic Period
What era are we in? Cenozoic Era
What era is noted for being under water with sea life? Mesozoic Era
What is amber? hardened tree sap
How do they start new ages? At the end of eras are mass extinctions where many species of plants and animals become extinct
What is relative dating? places orders in sequence without assigning an exact age
Both _____ dating and ______ dating can be used to determine ages of rocks and structures relative; absolute
Created by: Laurie_Bee
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