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Chapter 17 - Chapter 17 -

17.3 Domains and Kingdoms17.3 Domains and Kingdoms

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DomainsDomains There are 3 domainsThere are 3 domains

1.1. EukaryaEukarya

2.2. ArchaeaArchaea

3.3. BacteriaBacteria

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KingdomsKingdoms There are 6 kingdoms There are 6 kingdoms

in the 3 domainsin the 3 domains

1.1. ArchaeaArchaea

2.2. BacteriaBacteria

3.3. ProtistsProtists

4.4. FungiFungi

5.5. PlantaePlantae

6.6. AnimaliaAnimalia

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Domain BacteriaDomain Bacteria Characteristics of this Characteristics of this

domain are:domain are: Bacteria that are Bacteria that are

prokaryotes prokaryotes (no (no nucleus)nucleus)

Cell wall contains Cell wall contains peptidoglycanpeptidoglycan

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Domain ArchaeDomain Archae Characteristics of this Characteristics of this

domain are:domain are: Species thought to be Species thought to be

moremore ancient ancient than than bacteria.bacteria.

Cell walls Cell walls do not do not contain peptidoglycan.contain peptidoglycan.

CalledCalled extremophiles extremophiles because they live in because they live in extreme environments.extreme environments.

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Domain EukaryaDomain Eukarya Characteristics of this Characteristics of this

domain are:domain are: Cells with a membrane Cells with a membrane

bound bound nucleusnucleus and and membrane bound membrane bound organelles.organelles.

Includes the kingdoms Includes the kingdoms plantae, animalia, plantae, animalia, fungi, fungi, and and protistaprotista

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Kingdom ProtistaKingdom Protista Protists do not have Protists do not have

organsorgans They are classified They are classified

into three groups:into three groups: PlantPlant-like-like AnimalAnimal-like-like FungusFungus-like-like

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Kingdom FungiKingdom Fungi Characteristics of Characteristics of

Fungi Fungi absorb absorb nutrientsnutrients from from

their environment.their environment. HeterotrophicHeterotrophic Lack Lack motilitymotility Have cell walls made Have cell walls made

of of chitonchiton

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Kingdom PlantaeKingdom Plantae Characteristics of Characteristics of

PlantaePlantae multicellularmulticellular AutotrophicAutotrophic Lack motilityLack motility Have cell walls made Have cell walls made

of of cellulosecellulose

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Kingdom AnimaliaKingdom Animalia Characteristics of Characteristics of

AnimaliaAnimalia multicellularmulticellular HeterotrophicHeterotrophic No cell No cell wallswalls Complex Complex organ organ

systemssystems