It is that this universal trait of the metazoa and Metaphyta, must be ascribed to the primitive action and re-action between the organism and its medium.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer
Now we have to note that in those aggregates of cells constituting the Metaphyta and metazoa, analogous distributions also exist.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer
In so far as concerns the present argument, it is the same with the metazoa, or at least all of them which have developed organizations.
"Essays: Scientific, Political, & Speculative, Vol. I"
Herbert Spencer