Sexual Reproduction - fusion of the nuclei of 2 gametes (sex cells) to form a zygote (fertilized egg cell) and the production of offspring that are genetically different from each other
Fertilization - Fusion of gamete nuclei
Gamete -

| Advantages | Disadvantages |
|---|---|
| Increased variation | Takes time and energy to find mates |
| Better adaptability | Difficult for isolated members to reproduce |
| Diseases are less likely to affect population | |
| More colonization of other lands | |
| Less competition |