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.
National Averages. The BLS reports the average yearly salary for RNs was $69,110 as of May 2011. The median salary, or halfway point, was $65,950 a year. The lowest-paid 10 percent of registered nurses earned less than $44,970 a year, while the highest-paid 10 percent earned $96,630 a year or more.