EH Inv. 4.1 & 4.2 Review

Front

What is the age of recent life during which mammals thrived?

Back

Cenozoic

Front

What is evidence of past life, including remains, traces, and imprints preserved in earth material?

Back

Fossil

Front

True or False: Fossils might NOT form if the organism decays before it is covered with sediments.

Back

True

Front

What is the middle age of life, including the time of the dinosaurs?

Back

Mesozoic

Front

What is the time between the beginning of Earth and the appearance of the first easily-fossilized, complex forms of life?

Back

Precambrian

Front

What era do we currently live in?

Back

Cenozoic

Front

What is the significance of fossils in understanding Earth's history?

Back

Fossils provide evidence of past life and help scientists understand the evolution of species.

Front

What are the three main eras of geological time?

Back

Paleozoic, Mesozoic, Cenozoic

Front

What is uniformitarianism?

Back

The principle that the same geological processes that operate today also operated in the past.

Front

What is the difference between the Paleozoic and Mesozoic eras?

Back

Paleozoic is known for the development of early life forms, while Mesozoic is known for the age of dinosaurs.