CAUTION! This video is about “Animal Reproduction” and is intended for educational purposes only. It contains scenes which some viewers may find offensive. Viewer Discretion is Advised! This depends on the animal. By ‘animal’ I am excluding simple organisms that reproduce by dividing. Slugs, snails and some other invertebrates are hermaphrodites, meaning they have both male and female sex organs. When they mate, they exchange sperm. Each fertilises the other. More complex organisms are either ma