noun
- a form of sexual reproduction in which a large, nonmotile female gamete (egg) is fertilized by a small, motile male gamete (sperm)
Usage: biology
Examples
- Oogamy is the most common form of sexual reproduction in animals.
- Many plants exhibit oogamy, producing large eggs and small sperm cells.
- The evolution of oogamy allowed for greater investment in individual offspring.
- In oogamy, the female gamete provides most of the nutrients for the developing embryo.
- Algae species demonstrate various reproductive strategies, including oogamy.
- The size difference between gametes in oogamy is called anisogamy.