Kingdoms

Domain Archaea Corresponds to kingdom Archaebacteria Prokaryotic and unicellular organisms Autotrophic & Heterotrophic No organ systems Example: E-coli Cell walls lack peptidoglycan, cell membranes contain unusual lipids not found in any other organism. Live in extreme environments (volcanic hot springs, black organic mud, salt marshes)

Domain Bacteria Corresponds to the kingdom Eubacteria Unicellular and prokaryotic organisms Autotrophic & Heterotrophic No organ systems Example: Streptococcus (strep throat) Thick, rigid cell walls

Domain Eukarya All organisms have a nucleus Composed of the four remaining kingdoms: Protista Fungi Plantae Animalia

Kingdom Protista video

Kingdom Protista Eukaryotic organisms that cannot be classified as plants, animals, or fungi. Unicellular & some multicellular algae Autotrophs & heterotrophs No complex organ system Examples: Plasmodium (causes malaria), amoeba, paramecium, kelp, slime mold… Greatest variety Known as “catch all group”

Kingdom Fungi Eukaryotic Most are multicellular (mushrooms), yet some fungi, such as yeasts, are unicellular Heterotrophic: feed on dead or decaying organic matter (decomposers) They secrete digestive enzymes into their food source. Then they absorb the smaller food molecules into their bodies. Reproductive structures Examples: mushrooms

Kingdom Plantae Eukaryotic Multicellular Photosynthetic: autotrophs Non-motile, but contain organ systems Cell walls made of cellulose Examples: includes cone-bearing and flowering plants, mosses, and ferns

Kingdom Animalia Eukaryotic Multicellular Heterotrophic Complex organ systems Examples: Mammals, birds, reptiles, fish, insects… Lack cell walls, most can move, very diverse