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The process by which green plants and some other organisms use the energy of sunlight and simple chemicals to produce their own food.
organisms that depend on other organisms for food.
An abrupt and marked change in the DNA of an organism compared to that of its parents.
A hypothesis that has been tested with a significant amount of data
A cell that has no distinct, membrane-bound organelles
A unit of one or more populations of individuals that can reproduce under normal conditions, produce fertile offspring, and are reproductively isolated from other such units.