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This glossary of biology terms is a list of definitions of fundamental terms and concepts used in biology, the study of life and of living organisms.It is intended as introductory material for novices; for more specific and technical definitions from sub-disciplines and related fields, see Glossary of cell biology, Glossary of genetics, Glossary of evolutionary biology, Glossary of ecology ...
clade, cladistics; phylum, phylogeny; taxon, taxonomy; Taxon is a journal of the IAPT, where proposals are made; synonym: a name for a taxon different from the currently accepted name
Office workers. The term "white-collar worker" was coined in the 1930s by Upton Sinclair, an American writer who referenced the word in connection to clerical, administrative and managerial functions during the 1930s. [2] A white-collar worker is a salaried professional, [3] typically referring to general office workers and management.
The "slash" is permitted to dry and then burned in the following dry season. The resulting ash fertilizes the soil [12] [13] and the burned field is then planted at the beginning of the next rainy season with crops such as rice, maize, cassava, or other staples. This work was once done using simple tools such as machetes, axes, hoes and shovels.
See broad pattern and drone brood in worker cells (caps protruding). This honeycomb is taken from the dying family without the queen. A laying worker bee is a worker bee that lays unfertilized eggs, usually in the absence of a queen bee. Only drones develop from the eggs of laying worker bees (with some exceptions, see thelytoky).
The scientific work of deciding how to define species has been called microtaxonomy. [ 26 ] [ 27 ] [ 20 ] By extension, macrotaxonomy is the study of groups at the higher taxonomic ranks subgenus and above, [ 20 ] or simply in clades that include more than one taxon considered a species, expressed in terms of phylogenetic nomenclature .
A labour revolt or workers' uprising is a period of civil unrest characterised by strong labour militancy and strike activity. The history of labour revolts often provides the historical basis for many advocates of Marxism , communism , socialism and anarchism , with many instances occurring around the world in both the 19th and 20th centuries.
In biology, pairwise interactions have historically been the focus of intense study. With the recent advances in network science , it has become possible to scale up pairwise interactions to include individuals of many species involved in many sets of interactions to understand the structure and function of larger ecological networks . [ 29 ]