Sexual reproduction in flowering plants involves the union of the male and female germ cells.

Sexual reproduction involves courtship rituals between the male and the female tortoises.

The reproduction of programs involves first the selection and then the reproduction of their genomes.

In the Cnidaria sexual reproduction often involves a complex life cycle with both polyp and medusa stages.

All reproduction involves emotion, even among hermaphrodites such as ourselves.

Sexual reproduction involves two organisms of the same species, each supplying half the genes for the descendant.

Asexual reproduction only involves a single organism; it works by division (or splitting) of the cell.

The reproduction of documents by and for libraries using new technologies naturally involved questions of copyright.

This reproduction might involve somatic cell nuclear transfer, or it might use some other technology.

In their definition "reproduction" does not necessarily involve making additional copies.