what evidence supports the theory of continental drift

what evidence supports the theory of continental drift

Set forth in 1912 by Alfred Wegener a geophysicist and meteorologist continental drift also explained why look-alike animal and plant fossils and similar rock formations are found on different continents. Well, we do. Evidence from fossils glaciers and complementary coastlines helps reveal how the plates once fit together. . How does this document help us answer the question: Plate tectonics is a scientific theory describing the large-scale motion of 7 large plates and the movements of a larger number of smaller plates of the Earth's lithosphere, over the last hundreds of millions of years. What are the effects of light pollution on animals? The distribution of earthquakes and volcanoes.- Convection currents.- The theory of continental drift.- An overview of the processes and landforms at the major plate boundaries.- . Which statement best describes the theory of continental drift in terms of evidence that the continents move and the mechanism driving their movement, The theory was supported by the evidence and included a mechanism. Over the course of this essay I will review some of the evidence that support continental drift, such as fossil records and mountain ranges. It was first suggested by Abraham Ortelius in 1596, and Alfred Wegener completed its development. This fossil plant has been found in Africa Australia India South America and Antarctica. Wegener said that continents move around on Earth's surface and that they were once joined together as a single supercontinent. Fossils tell us when and where plants and animals once existed. Wegener used fossil evidence to support his continental drift hypothesis. This theory has explained the origin of continents and ocean basins. Which fossil clues support the continental drift hypothesis? The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network. He provided evidence that mountain ranges occurring on opposite continents matched up pretty well when brought together. What is the Best Piece of Evidence for Plate Tectonics? Which of the following was not a line of evidence used to support the hypothesis of continental drift? This perfect aligning of mountain ranges indicated that the continents were once together. Privacy Policy . Which two pieces of fossil evidence supports the idea of continental drift? They write new content and verify and edit content received from contributors. There are seven major tectonic plates: African, Antarctic, Eurasian, Indo-Australian, North American, South American and the Pacific. Laurasia, makes up the northern continents of today. Essay Service Examples Science Continental Drift. This is called Ridge Push. Mesosaurus was a swimming reptile but could only swim in fresh water. The main concepts that help round Abstract The study of geomorphology is an academic discipline related in explaining the earths surface and to understand the processes which create and modifies landforms. Another piece of evidence is that fossils of plants, animals and invertebrates have been found on separate continents. What are the four pieces of evidence for continental drift quizlet? Which of the following was never proposed as evidence supporting the existence of Pangaea? Which of the following statements best describes the theory of continental drift? Contact Us . As magma rises it forces the crust to rise at the ridge. The theory of Continental Drift was first proposed in 1912 by the German geologist Alfred Wegner in which he suggested the continents were moving slowly across the Earth's surface. These cookies will be stored in your browser only with your consent. If you take a look at the map before the continents drifted away, you find that Mesosaurus is located in the southern parts of Africa and North America. What was never proposed as evidence supporting the existence of Pangaea? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. First samples of the deep ocean floor show that basaltic oceanic crust and overlying sediment become progressively younger as the mid-ocean ridge is approached and the sediment cover is thinner near the ridge. Over time, the landmass broke and drifted away and is still drifting to this day. How rocks fossils and climate provide evidence of continental drift? So, the fact that these organisms could not swim through the vast water bodies helps to substantiate the fact that the continents were once together to allow distribution of these organisms in various continents where their fossils were found on. Studies by Runcorn of the remanent magnetism in suitable rocks of different ages from Europe produced a polar wandering curve indicating that the magnetic poles were in different places at different times. Fossil EvidenceSee also how to tell which nitrogen is most basic 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. What evidence supports the theory of continental drift? The global inspection reveals an imbalance of areas of lands and sea and almost infinite variation of shapes which illustrates the continental and oceanic areas. This concept was an important precursor to the development of the theory of plate tectonics, which incorporates it. In addition South America and Africa looked like they could fit together like puzzle pieces. 2. It is thought that all the continents were once joined together in one super-continent, named Pangaea. answer choices True What evidence indicated scientists that the continents were once connected? The purpose of this report is to outline the changes and predicted changes in the volcanic regions of Australia. Plate Tectonics Theory of Continental Drift The continental drift hypothesis was developed in the early part of the 20th century, mostly by Alfred Wegener. 6014 , CY. Wegener specifically used rock composition and mountain ranges to provide evidence of continental drift. Finding identical or similar fossils in areas separated by vast distances were some of the first clues that scientists used to reconstruct past plate movement. As we travel further from the mid Atlantic ridge we can see the alignment changing which proves the continents have been moving away from each other. All rights reserved One of the first lines of evidence suggesting the existence of plate tectonics was the discovery of very similar fossils in rock masses separated by vast distances and by ocean expanses. What evidence supports that the glaciers on the southern continents were once part of a single massive ice sheet? The rest of the earth was covered with one huge ocean. One of the clues he used was the glacier. It has been noted that the coastlines of South America and West Africa seem to match up, however more particularly the terrains of separate continents conform as well. The poster child of scientific theory. Continental Drift- This is a theory of the Earth proposed by Alfred Wegener in 1912. Terms of Use, Evidence in Support of the Continental Drift: Analytical Essay., Evidence in Support of the Continental Drift: Analytical Essay [Internet]. We also use third-party cookies that help us analyze and understand how you use this website. Fossils of Mesosoaurs (freshwater aquatic reptiles) have been found on the continents of Africa and South America along with fossils of plant life providing more evidence that the continents were once joined and moved apart over time. Similar fossils were found on different continents. What are 4 evidences that support continental drift? Moreover, the earliest marine deposits along the Atlantic coastlines of either South America or Africa are Jurassic in age (approximately 199.6 million to 145.5 million years old), which suggests that the ocean did not exist before that time. Earthguide: Online Classroom Definition: Pangaea (ucsd.edu)There were also many supercontinents that existed before Pangaea such as Ur which is said to have existed 3 billion years ago, Columbia which existed 2.5 billion years ago and Rodinia which existed 1.3.-1.9 billion years ago. Continental drift theory was given by Alfred Wegener in 1915. Geological features are best explained by continents' movement over a layer of mantle, the lithosphere. The Fossil Record. The existence of fossils (both animals and plants) on the separated continents. Which piece of evidence would provide the strongest support for the hypothesis that Earths continents were once joined? How does this document help us answer the question: Which of the following statements best describes the theory of continental drift? (It doesnt.) What evidence supports that the glaciers on the southern continents were once part of a single massive ice sheet? He knew that plant and animal fossils as well as rock layers matched up in South America and Africa. What do you think is meant by the line, Indelible is the stain which will forever dar Evidence for Continental Drift. Who wrote the music and lyrics for Kinky Boots? How did Alfred Wegener come up with the idea of continental drift? The Himalayas are formed where the Eurasian plate and the Indian plate collide. This essay sample was donated by a student to help the academic community. Fossils are the stongest evidences of plate tectonics. Wegener specifically used rock composition and mountain ranges to provide evidence of continental drift. Our writers will provide you with an essay sample written from scratch: any topic, any deadline, any instructions. 1,6A), first named by a German meteorologist, Alfred Wegner in 1912. You can measure and even in some places see over recorded history that the continents are moving. We use cookies to ensure that we give you the best experience on our website. could scientists produce the hard evidence to support Holmes's fundamental concept. The earths outer shell is composed of plates that move a little bit every year. Omissions? 322166814/www.reference.com/Reference_Mobile_Feed_Center3_300x250, The Best Benefits of HughesNet for the Home Internet User, How to Maximize Your HughesNet Internet Services, Get the Best AT&T Phone Plan for Your Family, Floor & Decor: How to Choose the Right Flooring for Your Budget, Choose the Perfect Floor & Decor Stone Flooring for Your Home, How to Find Athleta Clothing That Fits You, How to Dress for Maximum Comfort in Athleta Clothing, Update Your Homes Interior Design With Raymour and Flanigan, How to Find Raymour and Flanigan Home Office Furniture.

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