For a list of previous senators, see List of Massachusetts Senate delegations. The Massachusetts Senate is the upper house of the Massachusetts General Court, the bicameral state legislature of the Commonwealth of Massachusetts. The Senate comprises 40 elected members from 40 single-member senatorial districts in the state.
Gnetophyte, WelwitschiaÂ© orxy/Fotoliaany member of the division Gnetophyta, a small group of gymnospermous vascular plants that are represented by three living genera: Ephedra, Gnetum, and Welwitschia. There are 65 species in the genus Ephedra, 30 or more in Gnetum, but only one in Welwitschia.
Gymnosperms, therefore, as exemplified by pine trees, are heterosporous. A major distinction we can make between seed plants (gymnosperms and angiosperms) and the non-seed plants (mosses and ferns) is that seed plants are heterosporous and non-seed plants are homosporous.his type of unprotected seed is a naked seed. The name gymnosperm means naked seed.. In contrast, seeds of angiosperms are enclosed in a special structure that at maturity is called the fruit. There are going to be more new terms for you to learn as development of seeds of gymnosperms and angiosperms is considered.