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Prokaryotic
No nucleus, much simpler, small
Eukaryotic
‘True Nucleus’, complex internal structure, up to 1000x times larger
3 main domains
Bacteria, Archaea, Eukarya (Contains four kingdoms)
Bacteria and Archaea are prokaryotic Domains but aren’t together due to genetic differences
Characteristics of Kingdoms
the # of cells (unicellular or multicellular)
Cell wall material
Nutrition (Autotrophic or Heterotrophic)
Primary means of reproduction (Asexual or sexual)
Autotrophic
Captures energy from the sunlight
Heterotrophic
Obtains energy by consuming other organisms
Kingdoms
Eubacteria, Archaebacteria, Protista, Plantae, Animalia, Fungi
Eubacteria (Bacteria)
Single celled prokaryotes
Some are photosynthetic (Autotrophic)
Some are heterotrophic
Live in most environments
Archaebacteria (Archaea)
Single celled prokaryotes
Extremophiles (Live in harsh environments)
Protista
Need to live somewhere wet
Unicellular or colonies of cells
Some are heterotrophic
Some are autotrophic
Some are both
Most diverse kingdom
Fungi
Multicellular
Heterotrophic
No chloroplast
Cell wall made of chitin
Plantae
Multicellular
Photosynthetic (Autotrophs)
Most are terrestrial
Cell walls made of cellulose
Animalia
Multicellular
Heterotrophs
No cell walls
Dichotomous Key
Tools that help identify living and non-living things
Comes from 2 Greek words that mean ‘divided in two parts’
Each choice leads to another choice or the identity of the object or organisms
Microscope Calculations
Magnification : Objective x eyepiece
Actual size : Field diameter / # of cells that fit across the field of view
Scale : Drawing size / actual size
