| A | B |
|---|
| Asexual Reproduction | Only one parent is needed. Cells divide, creating offspring that are genetically IDENTICAL to that one parent. Includes budding, fission and regeneration |
| Sexual Reproduction | Requires 2 parents who donate genes to the offspring, with a mix of inherited genes. Main advantage- GENETIC VARIATION- different offspring have different traits, leading to better chance of survival for the species. |
| Puberty | Beginning between 9 and 15 years through about the age of 20. Sexual development in which the body becomes able to reproduce as well as many body changes. |
| Testes | Male reproductive organs which produce sperm and testosterone. |
| Ovaries | Female reproductive organs which produce eggs and estrogen. |
| Testosterone | The male sex hormone secreted by the testes. |
| Estrogen | The female sex hormone secreted by the ovaries. |
| Fertilization | The joining of a sperm cell and an egg cell |
| Zygote | a fertilized egg, produced by the joining of a sperm and an egg |
| Uterus | A hollow muscular organ in the pelvic cavity of females where a fetus develops. |
| Gamete | The reproductive cells: the egg in females, sperm in males. |
| Fetus | A developing human from about the ninth week of development until birth. |
