We do not find desire, as here understood, in plants and the lowest development of animal life, it being particularly an attribute of the higher biogeny.    From Wordnik.com.  [The Complete Works of Brann the Iconoclast, Volume 1.] Reference

Thirdly, the several biological sciences which describe the development of organisms are comprised under the general name of morphogeny (morphe and genea, "origin"), or biogeny.    From Wordnik.com.  [The Catholic Encyclopedia, Volume 2: Assizes-Browne] Reference