Classical republicanism grew from the ideas of Niccolo Maciavelli (1469-1527) who in turn followed the ideas of such classical writers as Aristotle, Cicero, and Polybius. Mixed government, also known as a mixed constitution, is a form of government that integrates elements of democracy, aristocracy, and monarchy.
â¢ MACROSPORE (noun). The noun MACROSPORE has 1 sense: 1. larger of the two types of spore produced in heterosporous plants; develops in ovule into a female gametophyte. Familiarity information: MACROSPORE used as a noun is very rare.
The male gametophyte gives rise to sperm cells, which are used for fertilization of an egg cell to form a zygote. Microspores are structures that are part of the alternation of generations in many seedless vascular cryptogams, all gymnosperms and all angiosperms. Plants with heterosporous life cycles using microspores and megaspores arose independently in several plant groups during the Devonian period.