Fossilization

Which fossil is considered the oldest in the cross section shown?

• armored fish

• early horses

• trilobites

• dinosaurs

Tags

NGSS.MS-LS4-1

Based on the given rock and fossil evidence in the diagram to the right, which two letters most likely indicate parts of the same layers.

• A & F

• B & D

• C & E

• D & A

Tags

NGSS.MS-ESS1-4

The fossil record gives us _____.

• accurate data on the number of life-forms that lived.

• accurate insight on how animals reproduced.

• information on past life and environments on Earth.

• information on past life and environments on Earth.

Tags

NGSS.MS-LS4-1

Fossils of a now extinct dinosaur have been near the east coast of South America and the west coast of Africa. The dinosaur could not swim or fly. What does this suggest about the continents of South America and Africa?

• The continents were once connected.

• A land bridge once connected the continents.

• The same type of animals evolved on both animals.

• Prehistoric man transported the dinosaur between the continents.

Tags

NGSS.MS-ESS2-3

A fossil must be: naturally formed created by organic processes very old (at least 10,000 years) Identify the correct letter for the choices that are all definitely fossils.

• Dinosaur tracks, Mammoth found in ice, Seashells found in limestone

• Imprints of rain drops, Trilobite shells, Mud cracks

• Egyptian Mummy, Ancient Pottery, Worm borings in sandstone

• Stone Age tools, Giant shark teeth, Seashells found on a beach

Tags

NGSS.MS-LS4-1

Which type of fossil can provide clues about the activities of ancient organisms?

• trace fossils

• remains preserved in amber

• carbon films

• molds and casts

Fossilized tracks of dinosaurs have been found when layers of rock have eroded and exposed the prints. When analyzed, what can these tracks tell us about the creature that made them?

• how many legs the animal had

• how long the animal lived

• what the animal’s height was

• what the animal ate

Tags

NGSS.MS-LS4-2

What is the process by which organic material is preserved in the Earth's crust over geological time?

• Fossilization

• Erosion

• Sedimentation

• Metamorphism

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which of the following conditions is NOT necessary for fossilization to occur?

• Rapid burial

• Presence of hard parts

• High oxygen environment

• Low microbial activity

What type of fossil is formed when minerals replace all or part of an organism?

• Cast fossil

• Trace fossil

• Petrified fossil

• Mold fossil