Search results
Results From The WOW.Com Content Network
Villagers during a community-led total sanitation (CLTS) triggering exercise go to the place where meals are prepared to observe how flies are attracted to human feces and carry diseases by landing on the food (village near Lake Malawi, Malawi) School children during a CLTS triggering event in West Bengal, India looking at a glass of water and fresh human feces where the flies pass from the ...
The hierarchy of biological classification's eight major taxonomic ranks.A class contains one or more orders. Intermediate minor rankings are not shown. Order (Latin: ordo) is one of the eight major hierarchical taxonomic ranks in Linnaean taxonomy.
In biology, taxonomic rank (which some authors prefer to call nomenclatural rank [1] because ranking is part of nomenclature rather than taxonomy proper, according to some definitions of these terms) is the relative or absolute level of a group of organisms (a taxon) in a hierarchy that reflects evolutionary
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 ...
Systematic biology (hereafter called simply systematics) is the field that (a) provides scientific names for organisms, (b) describes them, (c) preserves collections of them, (d) provides classifications for the organisms, keys for their identification, and data on their distributions, (e) investigates their evolutionary histories, and (f ...
A clade is by definition monophyletic, meaning that it contains one ancestor which can be an organism, a population, or a species and all its descendants. [ note 1 ] [ 10 ] [ 11 ] The ancestor can be known or unknown; any and all members of a clade can be extant or extinct.
Taxonomy (Greek language τάξις, taxis = 'order', 'arrangement' + νόμος, nomos = 'law' or 'science') is the classification, identification and naming of organisms. . It is usually richly informed by phylogenetics, but remains a methodologically and logically distinct discipline.
Cupid's bow feature of a human lip. The upper and lower lips are referred to as the labium superius oris and labium inferius oris, respectively. [2] [3] The juncture where the lips meet the surrounding skin of the mouth area is the vermilion border, [4] and the typically reddish area within the borders is called the vermilion zone. [5]