Which of the following statements best explains how cast fossils are made?

• Cast fossils are made when minerals fill a mold of an organism's remains.
• Cast fossils form when an organism is buried in lava and hardens.
• Cast fossils are created by the freezing of an organism's remains.
• Cast fossils are made from the direct imprint of an organism's skin.

Which of the following is an example of a trace fossil is _____.

• preserved dinosaur bones

• preserved fossilized tree sap

• preserved dinosaur footprints

• preserved ancient shells

Each fossilization step is symbolized by a letter. 

Put the fossilization sequence in order.

• Z-T-Y-X

• X-Z-Y-T

• T-X-Z-Y

• Z-X-T-Y

How does tree sap contribute to the preservation of organisms, and what is the resulting substance?

• Tree sap provides a source of food for insects and birds, resulting in the production of honey.

• Tree sap acts as a sticky trap for small animals, resulting in the production of resin.

• Tree sap forms a protective coating over wounds in trees, resulting in the production of latex.

• Tree sap helps to heal injuries in plants and prevents bacterial growth, resulting in the production of amber.

• A

• B

• C

Bonus

• A

• B

• C

• D