BIOL 1116 Lecture Notes - Lecture 14: Female Sperm Storage, Erectile Tissue, Oviduct
Document Summary
2 parents high genetic diversity reproductive lower rate need to find mate successful genotype may be diluted. Of an existing individual fission separation of parent into. 2 individuals of equal life fragmentation regeneration breaking of body into several pieces each developing into an adult parthenogenesis development. Reproduction gametes fertilization diploid meiosis specialized cells for sexual reproduction union. Of chromosomes diploid parent cell divides twice to create four haploid daughter cells external fertilization egg. 3 sperm released into environment moist habitat not much protection for embryos many gametes internal fertilization fertilization within female. Organs for sperm delivery female receptors for sperm storage. 3 transport high protection for embryo hermaphrodites m single individual has both male. 3 female reproductive system some self fertilize most cross fertilize sex switching sequential hermaphrodltlsm changes sex during lifetime reversal due to age size. Systems anatomy gonads gametes hormones ducts gamete transport storage structures for copulation.
