semester 2 final review

Front

What is the matching of rock outcrops exposed in one geographic region to similar outcrops exposed in other geographic regions?

Back

Correlation

Front

What is a graphical representation of Earth's history from its origin 4.6 billion years ago to the present called?

Back

Geologic time scale

Front

What is the name of the current or recent era of the Phanerozoic eon?

Back

Cenozoic era

Front

Are sediments thicker or thinner on the ocean floor compared to the continents?

Back

Thinner on the ocean floor

Front

Compare prokaryotes to eukaryotes. Which were likely the first organisms on Earth?

Back

Organisms that do not contain nuclei are prokaryotes and organisms whose cells contain RNA and DNA in nuclei are called eukaryotes; prokaryotes were first.

Front

What is the process by which sedimentary rocks are formed?

Back

Sedimentation, which involves the accumulation and compaction of sediments.

Front

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

Back

It provides evidence of past life forms and their evolution over time.

Front

Define the term 'plate tectonics'.

Back

The theory that explains the movement of Earth's lithospheric plates and how they interact at their boundaries.

Front

What are the three main types of rocks?

Back

Igneous, sedimentary, and metamorphic.

Front

What is the difference between weathering and erosion?

Back

Weathering is the breakdown of rocks, while erosion is the movement of those broken materials.