Animal Reproduction Both asexual and sexual reproduction occur in the Animal Kingdom o Asexual reproduction One Parent produces genetically identical offspring Very rapid reproduction Fission: adult organisms splits into two Budding: It grows on the side of the adult. Fragmenting: adult breaks into a lot of different parts Regeneration: If a starfish loses it limb, that limb can grow into a whole new starfish o Sexual reproduction results in the generation of genetically unique offspring. Sexual reproduction involves the genetic contributions from two parents. What’s the difference between male and female? Females make eggs. Males make sperm. Sperm have tail (they are motile) Eggs are immotile. They are larger than sperm. Reproductive organs produce and transport gametes o Sexual reproduction involves the fusion of gametes from two parents o Two haploid gametes unite to produce a diploid zygote o Male sperm is small flagellated o
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- Fall '08
- Reproduction, Viviparity