Evidence of Continental Drift

The theory of continental drift named a key part of this idea Pangaea. What is Pangaea?

• One of the ancient animals that helped Wegener prove that fossils from different continents originally came from the same location

•  supercontinent that existed in Earth's distant past

• The underwater ocean range in the middle of the ocean

• The hot spot which gave rise to the Hawaiian Islands, among others

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What is the force that moves the continents?

• Hurricanes at the Earth's surface.

• Convection currents in the mantle

• Tornados blow the continents around.

• Hot water created by underwater volcanoes.

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Are the parts of the Earth where one slab of the crust is slowly sliding under another.

• Subduction zone

• Inner Core

• Convection currents

• Outer core

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Which type of information is NOT the best support of evidence to support continental drift hypothesis?

• glacial deposits from colder climate found in a warmer climate such as Africa.

• sea shell fossils found at the top of a mountain

• oceanic rocks found on the ocean seafloor

• same species of swamp plants found on two different continents

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How does fossil evidence support Wegener's hypothesis of continental drift?

• Similar fossils are found along continental margins that appear to join together.

• Fossils are found in areas where the present-day climate could not have supported the organisms that made the fossils.

• Similar fossils of giant, land-dwelling dinosaurs are found on continents separated by oceans.

• all of the above

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This is a picture of glacier scars found in Africa. What does this evidence support?

• Africa has always been near the equator

• Africa was once in an area of the Earth that had a very cold climate

• The continents have not moved

• sea floor spreading

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What does the theory of continental drift state?

• Based on evidence the continents were once joined in a super-continent and have moved over time

• Based on evidence continents are stationary and do not move

• The Earth is broken into lithospheric plates that move due to convection currents

• none of the above

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Fossils of ferns have been found on what two continents and what does this suggest?

• India and Africa; Africa once once a colder climate

• Africa and South America; South America was once a colder climate.

• Africa and Australia; Africa was once under water

• Africa and Antarctica; Antarctica was once a warmer climate

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According to the continental drift hypothesis and the chart, the presence of similar fossils in South America and Africa supports which scientific idea?

• Animals easily and frequently travel from Africa to South America.

• Species of animals probably traveled between continents on natural rafts (such as trees destroyed in tsunamis).

• Land bridges once existed that connected the continents.

• South America and Africa were once connected together.

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According to the chart, what remains of organisms are found on the continents?

• Leaves and flowers

• Ice and mountains

• Plants and animals

• Dinosaurs and reptiles

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