a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified
Examples of 'dichotomous key' in a sentence
dichotomous key
A dichotomous key and a new synonymy are proposed.
Shahar Samra, Pasquale Cascone, John Noyes, Murad Ghanim, Alex Protasov, Emilio Guerrieri,Zvi Mendel 2018, 'Diversity of Ooencyrtus spp. (Hymenoptera: Encyrtidae) parasitizing the eggs of Stenozygumcoloratum (Klug) (Hemiptera: Pentatomidae) with description of two new species', PLOS ONE10.1371/journal.pone.0205245. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A dichotomous key has been made in order to delimit the morphotypes.
Sandra Barrios-de Pedro, Francisco José Poyato-Ariza, José Joaquín Moratalla, ÁngelaD. Buscalioni 2018, 'Exceptional coprolite association from the Early Cretaceous continental Lagerstätteof Las Hoyas, Cuenca, Spain', PLOS ONE10.1371/journal.pone.0196982. Retrieved from PLOS CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We compare local indigenous knowledge indicators with hunter documented data based on the dichotomous key.
Gary Kofinas, Phil Lyver, Don Russell, Robert White, Augie Nelson, Nicholas Flanders 2003, 'Towards a protocol for community monitoring of caribou body condition', Rangiferhttps://septentrio.uit.no/index.php/rangifer/article/view/1678. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The cultures were identified phenotypically using a dichotomous key based on biochemical characteristics.
Francisca Gleire Rodrigues de Menezes, Soraya da Silva Neves, Oscarina Viana de Sousa,Candida Machado Vieira Maia Vila-Nova, Rodrigo Maggioni, Grace Nazareth Diogo Theophilo,Ernesto Hofer, Regine Helena Silva dos Fernandes Vieira 2014, 'DETECTION OF VIRULENCE GENES IN ENVIRONMENTAL STRAINS OF Vibrio cholerae FROM ESTUARIESIN NORTHEASTERN BRAZIL', Revista do Instituto de Medicina Tropical de São Paulohttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0036-46652014000500427&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
We present descriptions, discussions, illustrations and a dichotomous key for these two subspecies.
Felipe Wartchow, Leonor Costa Maia, Maria Auxiliadora de Queiroz Cavalcanti 2013, 'Taxonomic studies of Amanita muscaria (L.) Lam (Amanitaceae, Agaricomycetes) and itsinfraspecific taxa in Brazil', Acta Botânica Brasílicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062013000100005. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
A dichotomous key and a brief description of each species studied are provided.
Juan Manuel Rodriguez, Cecilia Estrabou, Gonzalo Quiroga 2012, 'El género Heterodermia (Lecanorales - Physciaceae) en el centro norte de ArgentinaThe genus Heterodermia (Lecanorales - Physciaceae) in Central North of Argentina',Acta Botânica Brasílicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062012000400030. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The 11 species can be identified using the dichotomous key and confirmed using descriptions and photos.
Ricardo Carneiro da Cunha Reis 2006, 'Palmeiras (Arecaceae) das restingas do Estado do Rio de Janeiro, Brasil Palms (Arecaceae)from the restingas of Rio de Janeiro State, Brazil', Acta Botânica Brasílicahttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S0102-33062006000300001. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The dichotomous key was formulated on "expert knowledge" and validated against field estimates of body composition.
Gary Kofinas, Phil Lyver, Don Russell, Robert White, Augie Nelson, Nicholas Flanders 2003, 'Towards a protocol for community monitoring of caribou body condition', Rangiferhttps://septentrio.uit.no/index.php/rangifer/article/view/1678. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
An indented dichotomous key based on stomatal features was constructed to distinguish and identify the species.
Abdulrahaman A.A., Egbedo F.O., Oladele F.A. 2009, 'Stomatal complex types, stomatal density, and the stomatal index in some species ofdioscorea', Archives of Biological Scienceshttp://www.doiserbia.nb.rs/img/doi/0354-4664/2009/0354-46640904847A.pdf. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)
The macroscopic characteristics, organized in dichotomous key, allowed the differentiation among the species, available in logs, during inspection.
Rayssa de Medeiros Morais, Maria do Carmo Learth Cunha, Gregório Mateus Santana, JuarezBenigno Paes 2018, 'Dendrological Characterization as Inspection Resources of Caatinga Wood Market', Floresta e Ambientehttp://www.scielo.br/scielo.php?script=sci_arttext&pid=S2179-80872018000300105&lng=en&tlng=en. Retrieved from DOAJ CC BY 4.0 (https://creativecommons.org/licenses/by-sa/4.0/legalcode)