The characteristics that all good sources of animal fossils have in common are many. They include having large deposits that are in rock layers and also being clearly distinct.
layers
age
no they are not
stromatolites
There are a variety of types of fossils. These include cast fossils, mold fossils, petrified wood, as well as fossil fuels.
just like all other fossils
The fossils belong to Petrifaction type of preservation.
two charachteristics that all good sources of animal fossils have in common are they occur in fairly large numbers in rock layers and have clearly distinguished charchterisitics
Fossils occur naturally after many hundreds to millions of years. They are more common under ideal conditions.
No not all fossils animals are dinosaurs. They still are snail fossils and other fossils.
They're awesome!
no they are not
stromatolites
There have been many fossils of intermediate types discovered that provide strong support for the theory of common descent.
Trilobites are common fossils throughout the Paleozoic.
they have fossils.
stromatolites
There are a variety of types of fossils. These include cast fossils, mold fossils, petrified wood, as well as fossil fuels.
The most common fossil fuels are natural gas, coal and oil.