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What does the word "fossil" mean?
From Latin fossus – "to be dug up or mined."
Where are fossils usually found?
In sedimentary rocks.
Name three types of fossils.
Mineralised remains (casts, moulds), organic remains (amber, ice), trace fossils (geochemical remains).
What are impressions?
Shapes of organisms preserved in sediment.
What are geochemical remains?
Organic molecules or atoms linked only to life.