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Monera kingdom (Eubacteria)
Kingdom monera
Eubacteria
- They are true bacteria
- Flagellum is present in them
- They have a rigid cell wall
- Habitat :- They can be found almost everywhere including human beings, may occupy moist habitats
Nutrition
- Photosynthetic autotrophs :- Cynobacteria ( blue green algae ) - They prepare their own food in the presence of sunlight with chlorophyll
- Chemosynthetic autotrophs :-They prepare their own food with the help of chemicals (oxidising nitrites, nitrates, ammonia ) . They help in recycling of nutrients like sulphur nitrogen etc
- Heterotrophs :- They are saprophytes , decomposers ,feed on dead and decomposed organisms/matter , parasites, live inside other organisms & derive from them.
Cynobacteria (blue green algae)
- cyno refers to blue ; hence termed as cynobacteria
- They perform photsynthesis
- They are responsible for enriching atmosphere with oxygen
Heterotrophic eubacteria
- They are decomposers -bacillus, streptomyces, pseudomonas
- Curd from milk -lactobacillus
- Antibiotics
- Nitrogen fixation- rhizobium
- Present in roots (peas)
Pathogens
- They are disease causing bacteria
- Typhoid- salmonella typhi
- Cholera- vibrio cholera
- Tetanus-clostridium tetani
- Syphilis-treponema pallidium
E.coli
- They are rod shaped bacteria
- Found in lower intestine of warm- blooded animals
- Most of the E.coli strains are harmless, but some can cause serious food poisoning in humans.
- Parasitic Bacteria
- They do not have cell walls
- smallest living cells
- Habitat :-human respiratory/urogenital tracts , blood smears
- Diseases ;-Mycoplasma pneumoniae ;pneumonia, FIA(feline infectious anaemia)
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