a process by which living organisms are thought to develop from nonliving matter, and the basis of a theory on the origin of life on Earth. According to this theory, conditions were such that, at one time in Earth's history, life was created from nonliving material, probably in the sea, which contained the necessary chemicals. During this process, molecules slowly grouped, then regrouped, forming ever more efficient means for energy transformation and becoming capable of reproduction
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|a screen or mat covered with a dark material for shielding a camera lens from excess light or glare.|
|a scrap or morsel of food left at a meal.|