13 Domains and Kingdoms.notebook
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Domains and Kingdoms
Lesson 13
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How are organisms classified into Domains and Kingdoms
13 Domains and Kingdoms.notebook
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How are organisms classified into domains and kingdoms
Today, a 3 domain system is commonly used
Within the domains are kingdoms
Organisms are placed into domains and
kingdoms based on their cell type, their
abililty to make food, and the number
of cells in their body
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13 Domains and Kingdoms.notebook
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Domain BacteriaProkaryotes unicellular organisms whose cells lack a nucleus
nucleus dense center are of a cell that contains nucleic
acids chemical instructions
nucleic acids are not contained within the nucleus
Bacteria all around autotrophs and heterotrophs
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Domain Archea
unicellular prokaryotes
Archea Greek word for ancient
These are organisms able to exist in harsh conditions
like the bottom of the ocean, in hot springs or
inside volcanic vents
Autotrophs and heterotrophs
Have a different chemical makeup and different
cell structure
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Domain Eukarya
Organisms whose cells have a nucleus are called Eurkaryotes
Includes, Protista, Fungi, Animalia, PlantaeProtista (protists)
eukaryotic
not classified as plants, animals or fungus
unicellular or mulitcellular
autotrophs and heterotrophs
"odds and ends"
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Fungi
molds, mushrooms and mildew
most are multicellar
few are unicellular like yeast
heterotrophs
found everywhere on land but few in fresh water
feed by absorbing nutrients from dead or decaying
organisms
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Plants
multicellular
eukaryotic
autotrophs
great variety
most live on land
ex. redwoods, marsh grass, dandelions, peas
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Animals
multicellular
eukaryotic
heterotrophs
different adaptations
live in diverse environments