Pangaea and Continental Drift

What was Pangaea?

• A supercontinent that existed during the late Paleozoic and early Mesozoic eras

• A large ocean that existed during the late Paleozoic and early Mesozoic eras

• A mountain range that existed during the late Paleozoic and early Mesozoic eras

• A desert that existed during the late Paleozoic and early Mesozoic eras

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Who first proposed the concept of Pangaea?

• Charles Darwin

• Alfred Wegener

• Isaac Newton

• Albert Einstein

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What evidence supports the idea that continents were once joined and have since drifted apart?

• The presence of similar languages on different continents

• The fit of the coastlines of continents like South America and Africa

• The discovery of similar weather patterns on different continents

• The presence of similar animal species on different continents

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What type of evidence involves finding identical fossils on continents now separated by oceans?

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Which of the following is an example of geological evidence supporting continental drift?

• Fossils of the reptile Mesosaurus found in both South America and Africa

• Glacial deposits in present-day India, Africa, and South America

• Similar rock formations in the Appalachian Mountains and the Caledonian Mountains

• Coal beds found in Antarctica

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What does paleoclimatic evidence suggest about the past locations of continents?

• Continents were once part of a single landmass

• Continents were once located closer to the South Pole

• Continents have always been in their current positions

• Continents were once covered by oceans

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What does the distribution of ancient climatic zones indicate?

• Continents have always been in their current positions

• Continents were once situated in different climatic zones

• Continents were once covered by oceans

• Continents were once part of a single landmass

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Why was Alfred Wegener’s theory of continental drift initially rejected?

• Lack of evidence supporting the theory

• Lack of a plausible mechanism for continental movement

• Lack of interest from the scientific community

• Lack of technological advancements

What did Wegener suggest as the driving force behind continental movement?

• Ocean currents

• Wind patterns

• Earth’s rotation and tidal forces

• Volcanic activity

What development in the mid-20th century provided a viable mechanism for Wegener’s ideas?

• The theory of plate tectonics

• The discovery of fossil evidence

• The mapping of ocean floors

• The study of ancient climatic zones

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