Fossils vocabulary

Relative Age

It is the age of rocks and other geological features compared with other rocks and features nearby

Superposition

The first principle of relative dating is the undisturbed rock layers; the oldest are on the bottom layer and the youngest are on the top.

Index fossils

Representation of species that have existed on earth for a short time and inhabited many locations and were abundant.

body fossils

A part of the original organism that’s been preserved

trace fossils

Evidence of animal activity’s and are the most common title of fossils can be animal tracks and nest and ETC.

Mold fossils

when the organism / animal dies and leaves a mold of the fossil it once was.

Fossil fuels

All the oil, gas and coal was formed from the remains of fossilized plants and animals

Fossil Record

The sum total of what we know about fossils

Preserved Remains

Some organisms get preserved in or close to their original state like amber , tar and , ice

Petrified Fossils

Means turned into rock or fossilized by dying , covered in sediment and minerals replace the bone teeth and shells turning it into rocks

Carbon film fossils

The thin layer of carbon left behind after the organism decays is a carbon film fossil like plants and animals

Mold & Cast Fossils

Mold: empty space in rock in the shape of an organism

Cast: filled the mold