Of or pertaining to Lamarck or to his theory respecting the cause of organic evolution, which he ascribed to inheritable modifications produced in…

Of or relating to Charles Darwin (1809–82) and his scientific observations and theories; esp. designating or relating to the theory of the…

= Darwinian, adj. 2a.

= sense B.

Of or pertaining to, or designating, the theory of evolution propounded by R. Chambers in his Vestiges of the Natural History of Creation (1844).

= Darwinist, adj.

= sense B.

Differing from, at odds with, or not explained by Charles Darwin's theory of the evolution of living organisms by means of natural selection, or…

= Darwinian, adj. 2.

Of or relating to the theory or belief that characteristics are significantly or principally determined by genetic rather than environmental factors…

Biology and Ethnology. Of or relating to a theory of monogenesis (monogenesis, n. 2 3); having a single common origin. Now rare.

Of, relating to, or of the nature of pangenesis.

= phylogenetic, adj.

Characterized by evolutionism; in accordance with a scientific or (more commonly) a philosophical theory or doctrine of evolution.

= Darwinian, adj. 2a.

Of or relating to neo-Lamarckism.

Characterized by, involving, or engaged in Darwinian theorizing or interpretation.

= neo-Darwinist, adj.

Of or pertaining to monogeny; monogenistic.

Of or pertaining to the opinions of Haeckel; also as n., a believer in Haeckel's theories.

= pangenetic, adj.

Designating, relating to, or following the principles of Mendelism.

Biology and Ethnology. Having a single common origin; monophyletic. Cf. monogenetic, adj. 4. rare.

Of or pertaining to Weismann or his biological theory.

Of or relating to a self-organizing principle in developing organisms (according to Driesch's theory of entelechy).

Biology. = adaptationist, adj.

Biology. Of or relating to evolutionary adaptation; spec. advocating or relating to adaptationism.

Of or pertaining to gradualism.

(a) Pertaining to or connected with the theory of natural selection. (b) Of or pertaining to the belief that the majority of observed genetic…

Following the principles of genetics propounded by T. H. Morgan; supporting Morganism.

Of or pertaining to saltationism.

Biology. Of, relating to, or in accordance with punctuationism; (of evolution or an evolutionary change) taking place rapidly, esp. in a single…

= punctuationist, n. 2.

Chiefly Biology. Relating to or designating the theory of punctuationism.