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Other organisms

Agrobacterium tumefaciens
Bacterium, genetic engineering tool
Algae
Diverse group of photosynthetic organisms
Alveolate
Clade of protists
Amoebozoa
Phylum of protozoans
Apicomplexa
A phylum of parasitic alveolates
Archaea
Domain of organisms
Archaeplastida
Clade of eukaryotes containing land plants and some algae
Bacillus
Genus of bacteria
Bacillus subtilis
Catalase-positive bacterium
Bacteria
Domain of microorganisms
Brown algae
Large group of multicellular algae, comprising the class Phaeophyceae
Chromalveolata
Formerly classified as an eukaryote supergroup now as a megagroup including most photosynthetic eukaryotes
Clostridium
Genus of Gram-positive bacteria, which includes several significant human pathogens
Cryptomonad
Subphylum of algae
Cutibacterium acnes
Species of bacterium
Cyanobacteria
Phylum of photosynthesising prokaryotes
Diatom
A class of microalgae, found in the oceans, waterways and soils of the world
Dictyostelium discoideum
Species of slime mould
Dinoflagellate
Unicellular algae with two flagella
Escherichia coli
Gram-negative bacterium
Euglenid
Class of protozoans
Euglenozoa
Phylum of protozoans
Eukaryote
Domain of life whose cells have nuclei
Foraminifera
Phylum of amoeboid protists
Fucus
Genus of brown algae
Giardia duodenalis
Parasitic microorganism that causes giardiasis
Golden algae
Class of algae
Gram-negative bacteria
Group of bacteria that do not retain the Gram stain used in bacterial differentiation
Gram-positive bacteria
Bacteria that give a positive result in the Gram stain test
Halobacterium
Genus of archaea
Haptophyte
Type of algae
Helicobacter pylori
Species of bacteria
Kelp
Large brown seaweeds in the order Laminariales
Kinetoplastida
Flagellated protists belonging to the phylum Euglenozoa
Klebsiella pneumoniae
Species of bacterium
Lactobacillus
Genus of bacteria
Laminaria
Genus of algae
Laverbread
A food made from edible seaweed
Lichen
Symbiosis of fungi with algae or cyanobacteria
Methanobacteriota
Phylum of archaea
Methanobacterium
Genus of archaea
Myxogastria
Group of slime molds
Oomycete
Fungus-like organism
Paramecium
Genus of unicellular ciliates, commonly studied as a representative of the ciliate group
Phytophthora infestans
Species of single-celled organism
Plankton
Organisms living in water or air that are drifters on the current or wind
Plasmodium
Genus of parasitic protists that can cause malaria
Prokaryote
Unicellular organism lacking a membrane-bound nucleus
Protist
One of a diverse group of unicellular eukaryotic microorganisms
Pseudomonas aeruginosa
Species of bacterium
Radiolaria
Phylum of single-celled organisms
Red algae
Division of archaeplastids
Rhizaria
Clade of protists
Rhizobia
Soil bacteria
Salmonella
Genus of bacteria
Seaweed
Macroscopic marine algae
Slime mold
Spore-forming organisms
Staphylococcus aureus
Species of Gram-positive bacterium
Stramenopile
Clade of eukaryotes
Streptococcus
Genus of bacteria
Stromatolite
Layered sedimentary structures formed by the growth of bacteria or algae
Sulfolobus
Genus of archaea
Thermoplasma
Genus of archaea
Thermoproteota
Phylum of archaea
Thermus aquaticus
Species of bacterium
Trichomonas vaginalis
Species of parasite that causes sexually transmitted infections
Yellow-green algae
Class of algae