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Heterospory is the production of spores of two different sizes and sexes by the sporophytes of land plants. The smaller of these, the microspore , is male and the larger megaspore is female. Heterospory evolved during the Devonian period from isospory independently in several plant groups: the clubmosses , the ferns including the arborescent ...
Heteronormativity creates and upholds a social hierarchy based on sexual orientation with the practice and belief that heterosexuality is deemed as the societal norm. [3] A heteronormative view, therefore, involves alignment of biological sex , sexuality , gender identity and gender roles .
The sociological theory of diffusion is the study of the diffusion of innovations throughout social groups and organizations. The topic has seen rapid growth since the 1990s, reflecting curiosity about the process of social change and "fueled by interest in institutional arguments and in network and dynamic analysis."
In terms of sociology, historical sociology is often better positioned to analyze social life as diachronic, while survey research takes a snapshot of social life and is thus better equipped to understand social life as synchronic. Some argue that the synchrony of social structure is a methodological perspective rather than an ontological claim ...
The sociology of knowledge requires a particular viewpoint that Giambattista Vico first expounded in his New Science in the early 18th century, long before the first sociologists studied the relationship between knowledge and society. The book, a justification for a new historical and sociological methodology, suggests that the natural and ...
According to Parsons, social systems rely on a system of language, and culture must exist in a society in order for it to qualify as a social system. [4] Parsons' work laid the foundations for the rest of the study of social systems theory and ignited the debate over what framework social systems should be built around, such as actions ...
The most important factor in his theory is technology. [68] Social systems are determined by technological systems, wrote White in his book, [69] echoing the earlier theory of Lewis Henry Morgan. He proposes a society's energy consumption as a measure of its advancement. [68] He differentiates between five stages of human development. [68]
The sociology of culture grew from the intersection between sociology, as shaped by early theorists like Marx, Durkheim, and Weber, and anthropology where researchers pioneered ethnographic strategies for describing and analyzing a variety of cultures around the world. Part of the legacy of the early development of the field is still felt in ...