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Classification of OrganismsClassification of Organisms
Chapter 14Chapter 14
Basic Biological OrganizationBasic Biological OrganizationAtoms are organized into moleculesAtoms are organized into moleculesCells are organized in tissues,Cells are organized in tissues,
organs, organs, organ systems, organ systems, individuals, individuals, populations, populations, communitiescommunities ecosystems biomes biosphere ecosystems biomes biosphere
How we classify organismsHow we classify organisms
Biologists classify organisms into Biologists classify organisms into groups with similar characteristics to groups with similar characteristics to understand the diversity of lifeunderstand the diversity of life
Classification of organisms = Classification of organisms = ““taxonomytaxonomy””
The system progresses from the most The system progresses from the most general to the most specificgeneral to the most specific
Taxonomic “System”Taxonomic “System”
The “system”The “system”KingdomKingdom
PhylumPhylumClassClass
OrderOrder FamilyFamily GenusGenus SpeciesSpecies
How to remember the “system”How to remember the “system”
KKings ings PPlay lay CChess hess OOn n FFine ine GGrain rain SSandand
KKittens ittens PPrefer refer CCream ream OOr r FFish, ish, GGenerally enerally SSpeakingpeaking
KKeep eep PPutting utting CChemistry hemistry OOff ff FFor or GGreater reater SSubjectsubjects
KKing ing PPhilip hilip CCame ame OOver ver FFor or GGood ood SSexex
The three The three domains of domains of life arelife are
Three Domains of LifeThree Domains of Life
1.1. Bacteria Bacteria 2.2. Archaea Archaea 3.3. EukaryaEukarya
Figure 1.8.1
Domain Bacteria Domain Archaea
Domain Eukarya
Kingdom Protista Kingdom Plantae
Kingdom Fungi Kingdom Animalia
DOMAINS Bacteria and Archaea are DOMAINS Bacteria and Archaea are both prokaryotic domainsboth prokaryotic domains **
Domain Bacteria Domain Archaea
Common bacteria Bacteria that live in extreme environments, like high temperatures.
Domain Domain Eukarya is Eukarya is eukaryotic eukaryotic and and includes four includes four kingdoms:kingdoms:
1.1. ProtistaProtista2.2. PlantaePlantae3.3. FungaeFungae4.4. AnimaliaAnimalia
Figure 1.8.3
Domain Eukarya
Kingdom Protista Kingdom Plantae
Kingdom Fungae Kingdom Animalia
The KingdomsThe KingdomsFor our purposes we will discuss Four For our purposes we will discuss Four
Kingdoms, which are all part of Domain Kingdoms, which are all part of Domain Eukarya:Eukarya:Protista = unicellular eukaryotesProtista = unicellular eukaryotesPlantae = plantsPlantae = plantsFungi = mushrooms, slime molds, fungiFungi = mushrooms, slime molds, fungiAnimalia = animals and mammalsAnimalia = animals and mammals
Plantae are Plantae are photosyntheticphotosynthetic. . Ecologically they Ecologically they are are producersproducers. . **
Figure 1.8.3
Domain Eukarya
Kingdom Protista Kingdom Plantae
Protista are single cell organisms.
Domain Eukarya are Eukaryotes.
Fungae are Fungae are decomposers decomposers that that digest food outside of digest food outside of their cells before their cells before bringing food inside.bringing food inside.
Animalia Animalia ingest ingest organic food to organic food to digest internally. digest internally. **
Figure 1.8.3
Domain Eukarya
Kingdom Fungae Kingdom Animalia
THE ENDTHE END