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Kami Shanahan

on 23 January 2014

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Transcript of Fossils

True Form Fossils
An actual plant or animal within the fossil
Formed within amber, ice, or tar
The organism never decays
All colors and details of organism can still be seen
What is a fossil?
A fossil is the remains, impression, or evidence of any creature or plant that once lived on the Earth.

Imprint or Trace Fossils
Evidence of activity
Carbon print
Scientists use them to study animal behavior
Mold Fossils
Show the impression of the organism
The negative image
What is left after the organism dissolves

Cast Fossils
Formed when a mold fossil is filled
The positive image of an organism
a 3D form
Full transcript