Reproductive rights are legal rights related to reproduction and reproductive health. The study of female reproduction and reproductive organs is called gynaecology. Meristem tissue makes the process of asexual reproduction possible. Choanoflagellates are capable of both asexual and sexual reproduction. Cupuladriid Bryozoa are capable of both sexual and asexual reproduction. A form of asexual reproduction related to parthenogenesis is gynogenesis. Headphones are made in a range of different audio reproduction quality capabilities. These gametes are the cells that are prepared for the sexual reproduction of the organism. Birds produce offspring by laying eggs which are fertilised through sexual reproduction. Individual colonies grow by asexual reproduction of polyps. Many species of higher fungi produce mushrooms as part of their sexual reproduction. The study of male reproduction and associated organs is called andrology. Olfactory stimuli are important for sexual reproduction and neuroendocrine function in many species. It differs in many aspects from sexual reproduction in animals or plants. The signal levels are generally in the low range of line levels for playback/reproduction signals.