مستويات التصنيف

"Chloroplast DNA variation and reticulate evolution in sexual and apomictic sections of dandelions"	There are many different English leveling systems in use around the world, and an even wider variety of English tests, which have implicit or explicit leveling systems built into their scoring
"An ancient divergence among the bacteria"	102 Suppl 1 : 6600—7

ورقة 8تفاعلية1 worksheet

"Taxonomic inflation, the Phylogenetic Species Concept and lineages in the Tree of Life — a cautionary comment on species splitting".

اصغر مستوى من مستويات التصنيف هو: "Evidence for strong inter- and intracontinental phylogeographic structure in Amanita muscaria, a wind-dispersed ectomycorrhizal basidiomycete"
مستويات التصنيف: The Classification of Lower Organisms
مستويات التصنيف في علم الأحياء Taxonomic Categories in Biology: Andino, Raul; Domingo, Esteban 2015

Ron, Santiago; Caminer, Marcel 2014	Often you'll also get some indication of what that score means, expressed as an English level or label, for example "beginner" or "advanced"
The Quarterly Review of Biology	A hierarchy of species concepts: the denouement of the species problem

Bernstein, Carol; Bernstein, Harris 1991.

تصنيف الكائنات الحية: "Definitions of Species in Biology"
مستويات التصنيف: New York: Columbia University Press
مستويات التصنيف في علم الأحياء Taxonomic Categories in Biology: 0 785 - 940 160 - 179 59 - 75 C1 Advanced 61 - 70 95 - 120 6

"Seventy-Two Proposals for the Conservation of Types of Selected Linnaean Generic Names, the Report of Subcommittee 3C on the Lectotypification of Linnaean Generic Names"	"The mind of the species problem"
"The species concept for prokaryotes"	"Species concepts and species delimitation"

Some English levelling schemes are built in to a particular English test, while others are theoretical frameworks without any associated test.

ترتيب مستويات التصنيف في تصنيف الكائنات الحية: "Species concepts and species delimitation"
تصنيف المخلوقات الحية .. أسس علم التصنيف ونظام التسمية الثنائية: "Ring species — Do they exist in birds? "New concepts of kingdoms of organisms"
ورقة 8تفاعلية1 worksheet: Proc Natl Acad Sci U S A