Action Quote by Ernst Haeckel

I established the opposite view, that this history of the embryo (ontogeny) must be completed by a second, equally valuable, and closely connected branch…

— Ernst Haeckel

In the real world there is no nature vs. nurture argument, only an infinitely complex and moment-by-moment interaction between genetic and environmental effects

— Gabor Mate

For me, the level at which natural selection causes the phenomenon of adaptation is the level of the replicator - the gene.

— Richard Dawkins

The causal structure determines the rate and method of evolution, your awareness of the universe.

— Frederick Lenz

The causal body is like DNA or RNA in that it is the coding that determines your level of evolution.

— Frederick Lenz

A living organism must be studied from two distinct aspects. One of these is the causal-analytic aspect which is so fruitfully applicable to ontogeny.…

— Gavin de Beer

Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.

— Ernst Mayr

“The debate of nature versus nurture is an old one. But it is off the mark. There is no nature versus nurture. One is…

— Bernd Heinrich

“All disciplines of science are built on the causality of the relationships governing related events. Yet the theory of evolution is built upon the…

— T.H. Janabi

At a minimum, in explaining evolutionary pathways through time, the constraints imposed by history rise to equal prominence with the immediate advantages of adaptation.

— Stephen Jay Gould

“For in the ever-repeated origination of highly organized individuals from an infinitesimal germ, the working-out of a prearranged plan of growth and development seems…

— Hans Jonas

I know there is a difference between adaption and evolution.

— Jack Kingston