How are organisms classified Domains and Kingdoms Why

How are organisms classified? Domains and Kingdoms

Why would we want to classify organisms? • Classification: putting things into groups based on characteristics that they share. • Taxonomy: the science of describing, classifying, and naming organisms.

3 Types of Domains • Domain Archaea • Domain Bacteria • Domain Eukarya

Domain Archaea • Made up of Prokaryotes/Prokaryotic Cells • Can Move • Most Archaea can live in extreme environments in which other organisms can not survive. • Heterotroph or Autotroph

Domain Bacteria • Prokaryotic Cells • Can be found anywhere except for extreme conditions. • Can Move • Heterotroph or autotroph

Domain Eukarya • Includes all Eukaryotes- organisms with membrane bound organelles including a nucleus. • Domain Eukarya is divided into 4 kingdoms: Protista, Fungi, Plantae, and Animalia

Kingdom Protista • Can be single or multicellular • Can move but some do not move • Can be autotrophs or heterotrophs • Examples: algae, phytoplankton

Kingdom Fungi • Can be single or multi cellular • Fungi can not process photosynthesis • They break down materials in the environment and absorb nutrients (Decomposers/Heterotrophs) • Can Not Move

Kingdom Plantae • Multi Cellular, have cell walls • Use Photosynthesis for Food/Autotrophs • Can visibly classify members of the Plantae Kingdom. • Can Not Move

Kingdom Animalia • Includes multicellular complex organisms. • All heterotrophs • Cells do not have cell walls • Animals are able to move from place to place • Have sense organs that allow them to react to their environment • Can Move