Science Word of the Day: Abiotic
Pronunciation: I-bye, AH’-tik
Meaning: The term abiotic refers to “non-living components.” In ecology, scientists use “abiotic” to describe environmental factors that influence the growth and reproduction of organisms. Key abiotic factors include light, water, nutrients, and various chemical elements like oxygen and sulfur. Other influential factors encompass tides and rainfall. The term is also employed to denote the origin of specific chemicals, such as abiotic methane, which is produced from geological reactions rather than biological processes, like biotic methane formed by microorganisms or decaying matter.
Usage in a Sentence: A new exploration “gold rush” has erupted as abiotic hydrogen, generated by the reaction of rocks with water deep underground, shows promise as a renewable, carbon-free fuel for the future.
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Source: www.livescience.com
