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Domain consisting of unicellular, prokaryotes that have cell walls that do not contain peptidoglycan; corresponds to the kingdom Archeabacteria

Archaea

1

Domain of unicellular, prokaryotes that have cell walls containing peptidoglycan; corresponds to the kingdom eubacteria

Bacteria

2

Classification system in which each species is assigned a two-part scientific name

Binomial nomenclature

3

Evolutionary branch of a cladogram that includes a single ancestor and all it's descendants

Clade

4

Diagram depicting patterns of shared characteristics among species

Cladogram

5

In classification, a group of closely related orders

Class

6

Trait that appears in recent parts of a lineage, but not in it's older members

Derived character

7

A larger, more inclusive taxonomic category than a kingdom

Domain

8

Domain consisting of all organisms that have a nucleus; includes protist, plants, fungi! and animals

Eukarya

9

In classification, a group of similar genera

Family

10

Group of closely related species; the first part of the scientific name in binomial nomenclature

Genus

11

Largest and most inclusive group in classification

Kingdom

12

Group that consists of a single ancestral species and all it's descendants and excludes any organisms that are not descended from that common ancestor

Monophyletic group

13

In classification, a group of closely related families

Order

14

The evolution history of a lineage

Phylogeny

15

In Classification, a group of closely related classes

Phylum (pl. phyla)

16

Study of the diversity of life and the evolutionary relationship between organisms

Systematics

17

Group or level of organization into which organisms are classified

Taxon(pl. taxa)

18

Particle made of proteins, nucleic acid, and sometimes lipids that can replicate only by infecting living cells

Virus