Law of Superposition

The diagram shows several layers of sediment below the surface and some fossils that can be found in these layers. This diagram suggests that...

• amphibians are common ancestors of dinosaurs and trilobites.

• different species were abundant at different times in Earth's history.

• trilobites are the oldest living creatures on the planet.

• dinosaurs became extinct before the evolution of bony fishes.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Suppose the blue star represents a certain fish species. When did this species go extinct at this location?

• at the end of the Cretaceous

• at the end of the Jurassic

• during the Permian

• at the end of the Triassic

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1

Which of the following best explains how the fossil record provides evidence of evolution?

• by documenting the conditions life forms lived in over time

• by documenting the reason life forms went extinct over time

• by documenting the exact number of life forms over time

• by documenting the changes in life forms over time

Tags

NGSS.MS-LS4-1

The striking molecular similarities that exist between Earth's many diverse species can best be explained by...

• the inability of the species to undergo evolutionary change over time.

• random changes that occur separately in each species' genetic code.

• species mating with other species to produce offspring.

• the sharing of common ancestors within the species' evolutionary history.

Tags

NGSS.MS-LS4-2

Whales and hippos are thought to have evolved from a common ancestor around 54 million years ago. Which of the following is also true about these species?

• Whales and hippos have not changed in the past 54 million years.

• Whales and hippos are physically identical.

• Whales and hippos share many genetic similarities.

• Whales and hippos can interbreed to produce offspring.

Tags

NGSS.MS-LS4-2

If two diverse species are genetically similar, the fossil record will likely show that...

• the species are physically identical.

• the species cannot undergo evolution.

• the species do not share any common ancestors.

• the species share a common ancestor.

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Which type of fossil is a footprint?

• trace fossil

• carbonized fossil

• mold fossil

• preserved fossil

_{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

Which fossil is relatively the oldest?

• Trilobite
• Ammonite
• Crinoid
• Gastropod

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1