coadoption

plural coadoptions

1. countableuncountablejoint adoption

   1 more example

   Slow though the process of selection may be, if feeble man can do much by his powers of artificial selection, I can see no limit to the amount of change, to the beauty and infinite complexity of the coadaptations between all organic beings, one with another and with their physical conditions of life, which may be effected in the long course of time by nature’s power of selection.

   1859, Charles Darwin, On the Origin of Species