The sexual generation of the plant, the haploid gametophyte, develops from the spores, and it is in the sex organs of the gametophyte, the gametangia (male, anther; female, archegonium), that gametogenesis takes place by means of mitoses.ametogenesis. the process of development and formation of the sex cells, or gametes. The gametogenesis of the male gametes (spermatozoids, sperms) is called spermatogenesis; and that of the female gametes (the egg cells), oogenesis.
Registered Nurse (RN) Average Salary: $66,640 annually (via BLS, as of February 2016) Registered nurses (RNs) are a large part of the nurse workforce. RNs practice in a variety of specialties and work environments. RNs must have at least an associate's degree in nursing, and many RNs have a bachelor's degree.
RN salary depends on the experience, type of organization, educational background, and location. A nurse with highly specialized skills and experience is definitely paid more. The median annual salary of RNs in the United States in May 2013 was $68,910 and the mean hourly wages were $33.13.