Portola Valley is one of the forty wealthiest towns in the United States, with a median household income of $244,771 a year. Within the State of California, Portola Valley is ranked as the sixth wealthiest place. The zip code 94028, which encompasses the whole of Portola Valley, has the 9th most expensive housing prices within the country according to Forbes Magazine 2013.
The male gonads are the testes and the female gonads are the ovaries. These reproductive system organs are necessary for sexual reproduction as they are responsible for the production of male and female gametes.
The gonads in males are the testes and the gonads in females are the ovaries. Compare the roles played in the endocrine system by the male and female gonads. The ovary is an ovum-producing reproductive organ, often found in pairs as part of the vertebrate female reproductive system.