Share Geologic changes over time
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What are fossils?
Fossils are the trace or remains of an organism that lived long time ago.
What are trace fossils?
Trace fossil is a fossilized structure that formed in a sedimentary rock by animals activity on or in soft sediment.
What information do trace fossils give?
It gives good information about animals activities long time ago.
What are types of fossils?
Trapped in amber / Trapped in asphalt / Buried in rock / Become frozen / Become petrified
What are types of trace fossils?
Footprints, shelters, animal dungs.
What can fossils tell us?
environmental changes and changes in lifeforms over time.
