Biology: Chapter 18 Vocabulary Words

24 cards

vocabulary﷯﷯﷯ ﷯﷯﷯﷯﷯﷯ 


 
  
Created May 12, 2011
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dheath729

 

 
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1
discipline of classifying organisms and assigning each organism a universally accepted name.
 
taxonomy
2
classification system in which each species is assigned a two-part scientific name.
 
binomial nomenclature
3
group of closely related species, and the first part of the scientific name in binomial nomenclature....
 
genus
4
group or level of organization into which organisms are classified.
 
taxon
5
group of genera that share many characteristics
 
family
6
group of similar families
 
order
7
group of similar orders
 
class
8
group of closely related classes.
 
phylum
9
large taxonomic group, consisting of closely related phyla.
 
kingdom
10
the study of evolutionary relationships among organims.
 
phylongeny
11
method of grouping organisms together according to their evolutionary history.
 
evolutionary classification
12
characteristic that appears in recent parts of a lineage, but not in its older members.
 
derived character
13
diagram that shows the evolutionary relationships among a group of organisms.
 
cladogram
14
model that uses DNA comparisons to estimate the length of time that two species have been evolving...
 
molecular clock
15
most inclusive taxonomic category; larger than a kingdom.
 
domain
16
domain of unicellular prokaryotes that have cell walls containing peptidoglycans.
 
Bacteria
17
kingdom of unicellular prokaryotes whose cell walls are made up of peptidoglycan.
 
Eubacteria
18
domain of unicellular prokaryotes that have cell walls that do not contain peptidoglycan.
 
Archaea
19
kingdom of unicellular prokaryotes whose cell walls do not contain peptidoglycan.
 
Archaebacteria
20
domain of all organisms whose cells have nuclei, including protists, plants, fungi, and animals.
 
Eukarya
21
kingdom composed of eukaryotes that are not classified as plants, animals, or fungi.
 
Protista
22
kingdom composed of heterotrophs; many obtain energy nutrients from dead organic matter.
 
Fungi
23
kingdom of multicellular photosynthetic autotrophs that have cell walls containing cellulose....
 
Plantae
24
kingdom of multicellular eukaryotic heterotrophs whose cells do not have cell walls.
 
Animalia


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