Nascency

[W]e are, therefore, sure in advance, of being right, if we say of any perception that first it didn't exist, and that then there was a mere suggestion and nascency of it, which grew more definite, until, at last, the thing itself was fully established.

Source: wiktionary

Basically the reaction of the animal and the reaction of man are precisely similar. The only difference is that man, by virtue of his greater capacity for cerebral action, is capable of extending and elaborating this basic personification. It may be stated that, in its nascency at any rate, worship (the first stage in the elaboration of a system of religion) exists in the mind of the animal exactly as in the mind of man.

Source: wiktionary