The answers are stress accumulations and reoccurrence! I hope this helped you and I hope you have a great day! :)
Mutations<span> are errors in codons caused by changes in nucleotide bases</span>
Answer:
The Earth's outer crust (the lithosphere) is composed of a series of tectonic plates that move on a hot flowing mantle layer called the asthenosphere. Heat within the asthenosphere creates convection currents that cause tectonic plates to move several centimeters per year relative to each other.
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Eukaryotes have (membrane-bound organelles such as) nucleus, but prokaryotes do not.