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G6, 2.6 Part 4
Earth Science: Index Fossils
5
Science
6th Grade
01/24/2011

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Term
paleontologist
Definition
a scientist who studies fossils to see what life on Earth was like millions of years ago
Term
index fossils
Definition
the same type of fossil found in the same rock layers all over the world
Term
trilobites
Definition
organisms that lived for a short period of time 400 million years ago that are index fossils
Term
plant and animal fossils
Definition
plants and animals that were quickly buried and their shape has been preserved, not the actual plant or animal
Term
dating with fossils
Definition
scientists can use index fossils to determine the ages of rock
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