Law of Superposition

According to the law of superposition, the oldest fossils are found 

• At the top of the rock layers
• Near the bottom of the rock layers
• In the middle of the rock layers
• Somewhat near the surface

Tags

NGSS.MS-ESS1-4

_{Which rock layer in the diagram seems to be the oldest?}

• F
• E
• B
• A

Tags

NGSS.MS-ESS1-4

According to the law of superposition, which layer is the youngest?

• A
• B
• C

Tags

NGSS.MS-ESS1-4

An organism that no longer exists on Earth is called

• Decayed
• Evolved
• Extinct
• Preserved

Tags

NGSS.MS-LS4-1

Index fossils help determine relative age through correlating rock layers.

• True
• False

Tags

NGSS.MS-ESS1-4

States that younger rocks lie above older rocks if the layers have not been disturbed

• law of superposition

• law of cross-cutting

• law of unconformity

• law of uniformitarianism

Two organisms have homologous structures. Which can most likely be concluded about the two organisms?

• They are unrelated.

• They are the same organism.

• They share a common ancestor.

• They evolved in a similar environment.

Tags

NGSS.MS-LS4-2

Which best describes the similar function of wings in birds and butterflies?

• embryological structures

• homologous structures

• analogous structures

• vestigial structures

Which best helps scientists explore the relationship between modern organisms and ancestral species to create a system of biological classification?

• volcanic ash

• fossils

• DNA evidence

• igneous rock layers

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

NGSS.MS-LS4-3

Throughout fossil records, many species appearing in lower layers of rock disappear in higher layers of rock. Which best explains their disappearance?

• The species became extinct.

• The species moved to another geographic location.

• The fossil remains were disrupted by an earthquake.

• Environmental conditions were not suitable for fossil formation.

Tags

NGSS.MS-LS4-1