sexual vs. asexual reproduction

sexual

of, relating to, or for sex:
Publicly discussing sexual matters was frowned upon in those days.
The store is known for selling sexual aids.
occurring between or involving the sexes:
In humans, melatonin concentrations are related to sexual maturation, with significant decreases occurring at the onset of puberty.
having sexual organs or reproducing by processes involving both sexes:
The patterns of genetic variation in sexual species tend to be very different from those in asexual species.

Biology.

reproduction, as budding, fission, or spore formation, not involving the union of gametes.