oogamy
/ˌoʊəˈɡæmi/
noun
- A type of sexual reproduction in which one gamete (the egg) is large and non-motile, and the other (the sperm) is small and motile.
- In oogamy, the egg cell contains nutrients to support the early embryo.
- The evolution of oogamy allowed for more efficient fertilization in land plants.
- Oogamy is common in many plants and animals, including humans.
Antonyms