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In biology, sex means one's gender. Sexual intercourse is the meiosis process of reproduction, combining and mixing genetic traits. Sometimes this is achieved through physical contact, other times through spraying fluids in water, and other time through spraying pollen in the air.

An organism's sex is based by the gametes (cells that fuse with another during fertilization) the organism produces. Males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells). Individual organisms, mostly plants, which produce both male and female gametes are termed hermaphroditic. Sexual dimorphism--physical differences are associated with the different sexes of an organism--are common. Sexual dimorphism appears the less monogamous a species is.

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