Describe how plate tectonics and the theory of continental drift suggest Earth has changed over time. Include one piece of evidence.
Understand the Problem
The question is asking for a description of how plate tectonics and the theory of continental drift provide evidence that the Earth has changed over time, specifically requiring one piece of evidence to support this claim.
Answer
Plate tectonics shows continents shift over time. Fossils on separated continents prove this.
Plate tectonics explains that Earth's surface is made of large plates that move over time. This movement has caused continents to shift, leading to changes in Earth's surface features. A key piece of evidence for this is the discovery of similar fossils on continents that are now far apart, indicating that these landmasses were once connected.
Answer for screen readers
Plate tectonics explains that Earth's surface is made of large plates that move over time. This movement has caused continents to shift, leading to changes in Earth's surface features. A key piece of evidence for this is the discovery of similar fossils on continents that are now far apart, indicating that these landmasses were once connected.
More Information
The theory of continental drift was first proposed by Alfred Wegener, and further developed into plate tectonics, explaining many geological phenomena like earthquakes and mountain formation.
Tips
Avoid confusing continental drift with plate tectonics; they complement each other but are distinct concepts.
Sources
- Exploring Our Fluid Earth - manoa.hawaii.edu
- Continental Drift and Plate Tectonics - Let's Talk Science - letstalkscience.ca
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