What type of fossil shows the evidence of activity such as footprints and burrows?

• Mold Fossils

• Cast Fossils

• True Form Fossils

• Trace Fossils

How are cast fossils formed?

• By leaving an impression in rock

• By being dissolved away

• By minerals seeping into a mold

• By walking in mud and hardening into rock

What type of fossil shows a negative image of the organism in rock?

• Mold Fossils

• True Form Fossils

• Cast Fossils

• Trace Fossils

In which type of fossil do the soft tissues of the organism never decay?

• True Form Fossils

• Cast Fossils

• Mold Fossils

• Trace Fossils

What can scientists use plaster to make from mold fossils?

• True Form Fossils

• Mold Fossils

• Cast Fossils

• Trace Fossils

What type of fossil is a mold that was filled in and then turned to rock?

• Trace Fossils

• Cast Fossils

• Mold Fossils

• True Form Fossils

What type of fossil is the actual plant or animal?

• True Form Fossils

• Cast Fossils

• Mold Fossils

• Trace Fossils

What type of fossil can be made from animals or plants trapped in ice, tar, or amber?

• Mold Fossils

• True Form Fossils

• Trace Fossils

• Cast Fossils

What type of fossil is left behind after an organism has been dissolved away?

• True Form Fossils

• Cast Fossils

• Trace Fossils

• Mold Fossils

What do trace fossils show the evidence of?

• Animal behavior

• Decay of soft tissues

• Mold formation

• Mineral seepage