1. the theory that chance is involved in evolution and that variation within a species is accidental. 2. the belief that chance rather than mere determinism operates in the cosmos. Cf. uniformitarianism. 1. Philosophy. a doctrine that the universe is governed only by rigid, unexceptionable law.
Share this set. an organism that produces its own nutrients from inorganic substances or from the environment instead of consuming other organisms. Autotroph. an organism that produces its own nutrients from inorganic substances or from the environment instead of consuming other organisms.
An organism that makes its own food is called an autotroph, think automatic. The organism automatically knows how to make its own food. A heterotroph is an organism that obtai â¦ ns food by consuming other living things. Examples of each: autotroph is grass, uses energy from the sun to create food.