Earth History & Hydrology Review

Which of the following are index fossils. Mark all that apply.

• trace fossil

• mold fossil

• preserved fossil

• cast fossil

• carbon fossil

Forms when organisms or parts, like leaves, are pressed between layers squeezing almost all the decaying organism away leaving the carbon imprint in the rock.

• petrified fossil

• carbon fossil

• trace fossil

• mold fossil

What event occurs at the end of each era that brings upon a new era?

• extinction of the organisms that dominated that era

• heavy rainfall in the area

• evolution of the current species

• mass reproduction of the species

The era known for 5 major events; including the creation of the earth

• mesozoic

• paleozoic

• precambrian

• cenozoic

The era in which mammals dominated

• paleozoic

• cenozoic

• precambrian

• mesozoic

The era known for marine life, insects, amphibians, and certain reptiles

• paleozoic

• precambrian

• mesozoic

• cenozoic

This era is known for the dominance of dinosaurs

• paleozoic

• cenozoic

• mesozoic

• precambrian

The theorist who proposed the idea that all creatures change over time

• Thomas Edison

• Charles Darwin

• Charles Mason

• Isaac Newton

The Law of Superposition states that ___

• older rocks are always found above younger rocks

• older rocks are always found below younger rocks

• rocks can bend due to tectonic plate movement

• younger rocks always contain the older fossils

Which of the following is the first step in the fossil formation process?

• organisms die

• organism is buried by layers of sediment

• tectonic plate moves organism to the surface

• erosion process uncovers the parts of the organism left