What Evidence Supports The Theory Of Plate Tectonics Quizlet?

What evidence exists to support the theory of plate tectonics Brainly?

Fossils of ancient animals are found on the ocean floor.

Mid-ocean ridges were found to not exist.

The seafloor has less sediment and is youngest at mid-ocean ridges..

What does not support the theory of plate tectonics?

Alfred Wegener. the first person to propose the theory explaining that the continents move. human distribution. one thing the theory of plate tectonics is NOT supported by. carbon dating, paleomagnetism, distribution of marsupials, glacial moraines.

What are 3 pieces of evidence for Pangea?

In the early part of the 20th century, scientists began to put together evidence that the continents could move around on Earth’s surface. The evidence for continental drift included the fit of the continents; the distribution of ancient fossils, rocks, and mountain ranges; and the locations of ancient climatic zones.

What is the theory of plate tectonics?

The theory of plate tectonics states that the Earth’s solid outer crust, the lithosphere, is separated into plates that move over the asthenosphere, the molten upper portion of the mantle.

What causes the tectonic plates to move?

The heat from radioactive processes within the planet’s interior causes the plates to move, sometimes toward and sometimes away from each other. This movement is called plate motion, or tectonic shift.

What did Earth look like before Pangea?

But before Pangaea, Earth’s landmasses ripped apart and smashed back together to form supercontinents repeatedly. … Just like other supercontinents, the number of detrital zircon grains increased during formation and dropped off during breakup of Rodinia.

What is the importance of tectonic plates?

Plate boundaries are important because they are often associated with earthquakes and volcanoes. When Earth’s tectonic plates grind past one another, enormous amounts of energy can be released in the form of earthquakes.

What is the theory of plate tectonics and what evidence supports it?

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.

Which of the following is considered evidence for the theory of plate tectonics?

There is variety of evidence that supports the claims that plate tectonics accounts for (1) the distribution of fossils on different continents, (2) the occurrence of earthquakes, and (3) continental and ocean floor features including mountains, volcanoes, faults, and trenches.

What are the 3 theories of plate tectonics?

Plates interact at three types of plate boundaries: divergent, convergent and transform. Most of the Earth’s geologic activity takes place at plate boundaries. At a divergent boundary, volcanic activity produces a mid ocean ridge and small earthquakes.

Did dinosaurs live on Pangea?

Dinosaurs absolutely lived on Pangaea; in fact, scientists were able to confirm the existence of supercontinents in part because paleontologists found dinosaur fossils of similar/identical species of dinosaurs in locations that are now separated by oceans.

What are the 4 evidence of continental drift?

They based their idea of continental drift on several lines of evidence: fit of the continents, paleoclimate indicators, truncated geologic features, and fossils.