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Plate tectonics Definition and Explanation PDF | Download eBooks

Learn Plate tectonics definition in biology with explanation to study “What are Plate tectonics”. Study plate tectonics explanation with biology terms to review biology course for online degree programs.

Plate tectonics Definition:

  • Plate tectonics theory states that the continents are part of great plates of Earth's crust that essentially float on the hot, underlying portion of the mantle.

    Campbell Biology by J.B. Reece, L.A. Urry, M.L. Cain, S.A. Wasserman, P.V. Minorsky, R.B. Jackson

Plate tectonics Explanation:

Plate tectonics is the theory that Earth's outer shell is divided into several plates that glide over the mantle, the rocky inner layer above the core. The plates act like a hard and rigid shell compared to Earth's mantle. Tectonic processes began on Earth between 3 and 3.5 billion years ago.

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