| Term | Definition |
| parthenogenesis | production of offspring by a female with no genetic contribution from a male, unfertilized haploid gametes will develop into males |
| dioecious plant | a plant species in which male and female organs are on separate plants |
| monoecious plant | a plant species in which individuals have both female and male reproductive units |
| Bonellia | case of environmental-control of sex determination, egg becomes male/female depending on what they land on, if on inanimate object-->female, if on female-->male |