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.
autotroph (otËÉtrÅfË) [ Ã´tËÉtrÅfË ], key in, biology an organism capable of synthesizing its own organic substances from inorganic. Compounds autotrophs produce their own, sugars, lipids and amino acids using carbon dioxide as a source of, carbon and ammonia or nitrates as a source of. nitrogen