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This apparent fit is due to the fact the continents were once connected, and have since moved apart in what has been called continental drift . However, we now know that it is not just the continents that move, so a more correct term is plate tectonics .Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.Fossils of similar organisms across widely disparate continents encouraged the revolutionary theory of continental drift. Continental drift describes one of the earliest ways geologists thought continents moved over time. Today, the theory of continental drift has been replaced by the science of plate tectonics.
Table of Contents
What evidence best supports the plate tectonic plate theory?
Modern continents hold clues to their distant past. Evidence from fossils, glaciers, and complementary coastlines helps reveal how the plates once fit together. Fossils tell us when and where plants and animals once existed.
How does the fit of the continents support the theory of continental drift?
Fossils of similar organisms across widely disparate continents encouraged the revolutionary theory of continental drift. Continental drift describes one of the earliest ways geologists thought continents moved over time. Today, the theory of continental drift has been replaced by the science of plate tectonics.
Plate Tectonics chart Apparent Fit
Images related to the topicPlate Tectonics chart Apparent Fit
What evidence is there to support the theories of plate tectonics and continental drift?
Fossil Evidence
One type of evidence that strongly supported the Theory of Continental Drift is the fossil record. Fossils of similar types of plants and animals in rocks of a similar age have been found on the shores of different continents, suggesting that the continents were once joined.
How does coastline matching becomes a line of evidence in the theory of plate movement?
Coastline Matching
The similarity of coastlines for different continents suggests that they may once have been connected. But the fact that they were separated by sometimes thousands of miles suggested continental drift or plate tectonics .
How will you justify that plate tectonics or movement of plate boundaries is also beneficial to us?
Plate or plate boundary movements can also benefit people because many of the earth’s natural resources of energy, minerals, and soil are concentrated near past or present plate boundaries. The use of these readily available resources has supported human civilization, both now and in the past.
Which of the following supports the continental drift theory?
Answer. Wegener used fossil evidence to support his continental drift hypothesis. The fossils of these organisms are found on lands that are now far apart. … Wegener suggested that these creatures were alive in warm climate zones and that the fossils and coal later had drifted to new locations on the continents.
How does plate motion lead to continental drift?
The crust is broken up into giant tectonic plates that ride atop the magma, hot melted-rock material that makes up much of the interior of the Earth. Over millions of years, the continents drift into new configurations. Convection in the molten rock of Earth’s mantle drives the movement of the plates.
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Evidence of Plate Tectonics | Science – Quizizz
D. Plate tectonics is not supported by the apparent fit of the continental coastlines.
How do complementary coastlines support the theory of plate …
This distribution of fossils led to theories that the southern continents were … How is plate tectonics supported by the apparent fit of the continental …
4. How is plate tectonics supported by the apparent fit of the …
How is plate tectonics supported by the apparent fit of the continental coastlines. A. The continents appear to have once been joined together and to have
How Do The Continental Coastlines Support … – Realonomics
This apparent fit is due to the fact … term is plate tectonics .
Which land feature supports the theory of continental drift?
Mountain ranges and other landforms provided evidence for continental drift. For example, Wegener noticed that when he pieced together maps of Africa and South America, a mountain range running from east to west in South Africa lines up with a range in Argentina.
BBC Geography – Plate Tectonics
Images related to the topicBBC Geography – Plate Tectonics
What type of evidence for the plate tectonic theory is provided when scientist discovered that the magnetic field reverses polarity?
This further provided evidence for plate tectonics. More evidence came when scientist examined the sea floor and saw that there were reversals of polarity of Earth’s magnetic field that was in a striped pattern. The strips of polarity reversal were mirror images on each side of the mid- ocean ridge.
Why do some continents have matching coastlines?
Continental Drift
Evidence suggested that Pangaea began to break up about 200 million years ago. By 160 million years ago, continents had begun to drift to their present locations. Today’s coastlines of South America and Africa are a match because these two continents were once joined together.
What geologic features and events are evidences of the movement of the tectonic plates?
These tectonic plates rest upon the convecting mantle, which causes them to move. The movements of these plates can account for noticeable geologic events such as earthquakes, volcanic eruptions, and more subtle yet sublime events, like the building of mountains.
What causes plate movement?
The plates can be thought of like pieces of a cracked shell that rest on the hot, molten rock of Earth’s mantle and fit snugly against one another. The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other.
What can we gain from knowing about the processes of plate tectonics and how does this affect us?
Answer. Answer: Plate activity on Earth has helped to regulate the level of carbon dioxide over the eons. The same weathering that pulls nutrients from mountaintops down into the oceans also helps to remove carbon dioxide from the atmosphere.
What are the two main factors in the movement of plate tectonic plates?
Heat and gravity are fundamental to the process
The energy source for plate tectonics is Earth’s internal heat while the forces moving the plates are the “ridge push” and “slab pull” gravity forces. It was once thought that mantle convection could drive plate motions.
Introduction to Plate Tectonics
Images related to the topicIntroduction to Plate Tectonics
What will happen if the earth has no tectonic plates?
No mountains will emerge, and the mountains that are on our planet now might disappear completely. This will happen due to erosion by winds and waves since the planet will continue to have an atmosphere. In the end, our continents will be completely flattened and might end up underwater.
How is the theory of continental drift different from the theory of plate tectonics?
The main difference between plate tectonics and continental drift is that plate tectonics describes the features and movement of Earth’s surface in the present and in the past whereas continental drift describes the drifting of Earth’s continents on the ocean bed.
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