Fossilization Processes

Multiple Choice

What type of fossil is pictured here?

• Forest fossil

• Trace fossil

• Cast fossil

• Body fossil

Multiple Choice

What does the fossil record tell scientists?

• It provides evidence of past life

• It shows how organisms have changed over time

• It helps in understanding the environment of the past

• All of the above

Reorder

Organize the steps of formation of sedimentary rocks from start to finish

• Weathering

• Erosion

• Deposition

• Compaction

• Cementation

1

2

3

4

5

• 1
• 2
• 3
• 4
• 5

Multiple Choice

Look at the diagram, what layer did animal E first show up in?

• Layer #4

• Layer #5

• Layer #6

• Layer #8

Multiple Choice

What does the fossil record tell us about the history of life?

• It shows the history of life as documented by fossils

• It provides information about current species

• It indicates the future of life on Earth

• It has no relevance to evolution

Open Ended

Which fossil is older trilobite fossil or ammonite fossil?

(Sentence stem: ____ fossil is older because _____)

Multiple Choice

What are the conditions necessary for forming fossils?

• Quick burial of organism

• Layers of sediments build up

• Left for a short period of time

• Erosion and uplifting

Multiple Choice

What are the different types of fossilization?

• Petrification

• Replacement

• Permineralization

• Carbonization

Multiple Choice

What are the two types of petrification?

• Replacement

• Permineralization

• Fossilization

• Mineralization

Multiple Choice

What mineral replaced the ammonite tissue in the fossil shown?

• Calcite

• Silica

• Pyrite

• Hematite

Multiple Choice

What is the process by which groundwater carries dissolved minerals into the pores and cavities of bones, wood, or shells?

• Fossilization

• Permineralization

• Sedimentation

• Compaction

Multiple Choice

What types of organisms are usually fossilized with the methods of Replacement and Permineralization?

• Bones, shells and wood

• Bones, teeth and shells

• Plants and insects

• Fish and reptiles

Multiple Choice

What does petrified mean?

• turned to stone

• turned to fire

• decompose

• turned to ashes

Multiple Choice

Kyle found a rock and used a hammer to split it open. One half of the rock had a raised shape of a shell. The other had an impression of the shell. What type of fossil did Kyle find?

• a shell preserved in amber

• a mold and cast of a shell

• a shell frozen in rock

• a trace fossil of a seashell

Multiple Choice

What is the process of petrification in fossilization?

• Conversion of organic material into stone

• Formation of molds and casts

• Replacement of original material with minerals

• Dissolution of solid material by water

Multiple Choice

What is the type of fossil preservation shown in the image ?

• carbon films
• preserved remains
• Mineral replacement
• Trace fossils

Multiple Choice

What is fossil resin commonly known as?

• Amber

• Resin

• Fossil

• Insect

Multiple Choice

What are two methods by which animals can be preserved as fossils?

• Tar

• Ice

• Sand

• Mud

Open Ended

Why do you think these fossils are called "indirect"?

Multiple Choice

What is the process by which all substances of plants and animals decay, except carbon?

• Carbonization

• Fossil Resin

• Tar & Ice

• Trace Fossils

Open Ended

List three examples of fossils that could help you to learn information about the planet’s past. Explain how each type of fossil is formed and what information they could provide about the planet.

Multiple Choice

Which organism would make the best index fossil?

• A

• B

• C

• D

Multiple Choice

What are stromatolites and why are they significant in the study of fossils?

• They are rock structures built by blue-green algae

• They are the first forms of life on Earth

• They are found only in remote areas

• They are the oldest known fossils (3.5 b.y.)

Multiple Choice

A _________ is a unicellular plantlike protist with a flagella (whip like part) at one end of its body.

• Sarcodines

• Pseudopod

• Protozoans

• Euglenoid

Multiple Choice

Stromatolites are piles of cyanobacteria that have been secreting a lime substance and hardening over time so that they resemble rocks?

• true

• false

Poll

How confident do you feel about this topic now?

• Very confident
• Somewhat confident
• Not confident