Ch. 19 - Biodiversity and Classification Flashcards
1
Q
taxonomy
A
- system of naming and classifying organisms based on shared characteristics and universal rules
2
Q
binomial nomenclature
A
- classification system in which each species is assigned a two-part scientific name
3
Q
genus
A
- group of closely related species; the first part of the scientific name in binomial nomenclature
4
Q
systematics
A
- study of the diversity of life and the evolutionary relationships between organisms
5
Q
taxon
A
- group or level or organization into which organisms are classified
6
Q
family
A
- in classification, a group of similar genera
7
Q
order
A
- in classification, a group of closely related families
8
Q
class
A
- in classification, a group of closely related orders
9
Q
phylum
A
- in classification, a group of closely related classes
10
Q
kingdom
A
- largest and most inclusive group in classification
11
Q
domain
A
- a larger, more inclusive taxonomic category than a kingdom
12
Q
phylogeny
A
- study of evolutionary relationships among organisms
13
Q
clade
A
- evolutionary branch of a cladogram that includes a single ancestor and all its descendants
14
Q
cladogram
A
- diagram depicting patterns of shared characteristics among species
15
Q
derived character
A
- trait that appears in recent parts of a lineage, but not in its older members
