U5L4 Evidence for evolution - fossils

Produced when sediments fill in a cavity made when an object decayed 

• cast
• mold
• original remains

Cavity in a rock made when an organism decayed

• cast
• mold 
• original remains

Principle that states in a sequence of undisturbed rocks, the oldest rocks are on the bottom and the rocks become progressively younger toward the top 

• superposition 
• uniformitarianism
• half-life

Tags

NGSS.MS-ESS1-4

Fossils of species that existed for  short periods and were widespread 

• trace fossils 
• index fossils 
• original remains 

Correctly sequence the layers of rocks oldest to youngest 

• A,B,C,D
• D,C,B,A

Tags

NGSS.MS-ESS1-4

Correctly sequence the layers of rocks oldest to youngest 

• C,E,D,A,B
• C,E,D,A,B
• C,E, D,B,A

Tags

NGSS.MS-ESS1-4

Which fossil formation happens when an insect gets trapped in sticky tree sap. The tree sap hardens and turns into this substance, which preserves the organism that was trapped inside?

• cast

• amber

• mold

• petrified

This is a fossil in which minerals replace part or all of an organism. making it rock like.

• imprint

• cast

• petrified

• amber

A fossil that shows the activity of organisms

• index fossil

• cast and mold

• preserved fossil

• trace fossil

Which of the following is NOT a way a fossil can be preserved?

• tar

• amber

• water

• ice