Unit 5: Geologic Time & Evolution Review

Front

What are CO2, Methane, and Nitrous oxides examples of?

Back

Greenhouse Gases

Front

What type of igneous rock squeezes and cools into existing rock without reaching the surface?

Back

Intrusion

Front

What is the most acidic pH value among the following: 2.0, 4.0, 7.0, 9.0, 13.0?

Back

2.0

Front

What happens to an organism in the fossil record once it goes extinct?

Back

They are not found in layers younger than the one they died in.

Front

Over time, how do animals generally change?

Back

They become more complex.

Front

What is the process called when rocks are formed from cooled magma?

Back

Igneous Rock Formation

Front

What is the term for the time scale used to describe the history of Earth?

Back

Geologic Time Scale

Front

What is the significance of fossils in understanding evolution?

Back

Fossils provide evidence of past life and evolutionary changes.

Front

What is the difference between an intrusion and an extrusion in geology?

Back

An intrusion cools below the surface, while an extrusion cools above the surface.

Front

What is the main cause of climate change related to greenhouse gases?

Back

Increased levels of greenhouse gases trap heat in the atmosphere.