5 terms

5 Different Types of Fossils

fossils. yeah. :)
Mold (imprint) fossils
When a leaf, feather, bone or even a body of an organism leaves an imprint on sediment, which hardens and becomes rock
Cast fossils
When minerals fill in the hollows of an animal track, a mollusk shell, or another part of an organism
Fossil fuels
Fuels formed by the remains of dead plants and animals
Actual remains
The body of an organism, with all the parts intact. Usually preserved in ice, amber, or tar.
Petrified wood
When minerals replace wood or stone to create either petrified wood or a mineralized fossil