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Fossils

Horizontales
To keep something as it was
Method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock.
Sticky juice from a tree that can be used to fossilize something.
A fossil that has any indirect evidence of life preserved as an impression in rock.
The remains of a once living thing that died long ago
Type of fossil that is the body part of an organism that became a fossil, such as bones, teeth, skin, leaves, and tree trunks.
Black, sticky substance that traps animals and causes their bones to fossilize.
Type of fossil where the soft parts of a once living thing is replaced by minerals.
Paleontologists use small _____ to uncover fossils at a dig site.
A term that typically describes a species that no longer has any known living individuals.
Frozen water that traps bones and creates fossils.
Scientist use the ____ of the fossil to determine it's exact age.
Where fossils are usually found.
A type of fossil formed when a shell or other hard part of an organism dissolves, leaving an empty space in the shape of the part.
The law of _________ is when in a sequence of layered rocks, the older rocks will be under the younger rocks.
Verticales
Another word that means the same as being fossilized in amber.
A ______ fossil is any preserved part of a plant that has long since died.
A fossil that forms when organisms are pressed between layers of rock or mud and when it decay's, it leaves a carbon imprint on the rock.
The scientific study of fossils.
Fossil mold underground that is filled with sediment to form a fossil in the shape of animal bones.
A scientist who studies fossils to learn about organisms that lived long ago.
Non-living factors such as erosion, wind, and sun exposure.
Chronological collection of life's remains in sedimentary rock layers.
One of the most popular type of bone fossils to be found.
A fossil known to have lived in a particular geological age that can be used to date the rock layer in which it is found.
Small animals, mostly insects, get stuck in tree resin that hardens and becomes a fossil.
This time scale is the standard method used to divide the Earth's long natural history into manageable parts.
Weathering or wearing away of rock, earth, and any fossils they contain.
Living factors such as decomposers, scavengers and predators.
Shallow print or mark in solid rock