Reverse Word Search Lookup

Comprehensive
Dictionary Suite
Help
Help
Help
 
Darwinian theory Charles Darwin's theory that plants and animals evolved from early primitive life forms with variation caused by natural selection and survival of the fittest. (See evolution.)
Neo-Darwinism a theory of evolution that denies the inheritance of acquired characteristics and asserts that natural selection determines evolution.
selection in biology, the process taking place over many generations by which one variant of a particular organism survives over another; natural selection. [1/4 definitions]