Earth's History

All the information that paleontologists have gathered about past life is called the _____

• geologic time

• geologic eras

• fossil eras

• fossil record

Tags

NGSS.MS-LS4-1

What are the three ways fossils are formed?

• imprints, casts, and molds

• land, sea, water

• rain, snow, sleet

• dirt, mud, plants

This type of fossil would include nests, eggs, feces, and footprints. 

• cast

• mold

• preserved remains

• trace

Fossils of fish are found under land where cows now live. What does this tell you?

• the fish were dropped their by flying birds

• this land was once under the ocean

• farmers fed the fish to the cows

• fish used to live on land

Tags

NGSS.MS-ESS1-4

NGSS.MS-ESS2-2

NGSS.MS-ESS2-3

NGSS.MS-LS4-1

Why is the fossil record incomplete?

• fossils get eroded away over time

• most organisms never became fossils

• scavengers and decomposers eat them too quickly

• all of the above

Tags

NGSS.MS-LS4-1

Cavity in a rock made when an organism decayed

• cast

• mold 

• original remains

The earliest part of Earth’s history is called the:

• Cenozoic

• Cambrian

• Holocene

• Precambrian

Tags

NGSS.MS-ESS1-4

Which layer is the youngest?

• #1

• #3

• #5

• #6

Tags

NGSS.MS-ESS1-4

Trilobites can be used to study the passage of geologic time because:

• they burrow into sediments

• their physical features changed through time

• they lived in the oceans

Tags

NGSS.MS-LS4-1

NGSS.MS-LS4-2

Scientists find dinosaur fossils in the bottom rock layers of a cliff and mammal fossils in the middle rock layer of the cliff. Which could best be concluded from this evidence?

• Dinosaurs ate plants.

• Dinosaurs were eaten by the mammals.

• Dinosaurs lived on Earth before the mammals.

• Dinosaurs and mammals lived at the same time.

Tags

NGSS.MS-ESS1-4

NGSS.MS-LS4-1