prokaryotes
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It is thought that prokaryotes were the first cells to appear on Earth.
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
For hundreds of millions of years, prokaryotes were the only living organisms on the planet.
From Science Daily • Dec. 6, 2025
The results indicated that prokaryotes from SL to DL are closely associated with climate change drivers.
From Science Daily • Dec. 6, 2023
Analyzing microbes in Tirez soil samples from 2002 and 2021 for a study in Scientific Reports, Fairén and his colleagues found that single-celled organisms called prokaryotes had adapted to thrive in extremely dry sediments.
From Scientific American • May 27, 2023
The temperatures are very high in the hydrothermal vent, so the prokaryotes would be thermophilic.
From Textbooks • Jan. 1, 2015
It has been suggested that flagellae and cilia were once spirochetes that joined up with the other prokaryotes when nucleated cells were being pieced together.
From "The Lives of a Cell" by Lewis Thomas
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
