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.
Bacteria Autotrophs. Next we have the tiny organisms called bacteria. Like plants and algae, bacteria can also be autotrophic. Let's examine three tiny bacteria autotrophs. Cyanobacteria. Probably one of the most important types of bacteria, cyanobacteria are known to be aquatic and live in large colonies.