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Bacteria AlgaeVirus Fungi

Protozoa

By Shaurya Tomer


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Bacteria What are bacteria? Bacteria are a large group of unicellular

microorganisms. Typically a fewmicrometers in length, bacteria have a widerange of shapes, ranging from spheres torods and spirals.


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Shapes of bacteria:

Bacillus : Bacillus is a genus of rod-shaped bacteria and a member of the division Firmicutes.

C occus : C occi (singular) are any bacteria whose shape is

spherical or nearly spherical.C omma shaped: Its name says for itself it is some way like a comma .


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B acteria

Binary fission of bacteria:

Binary fission : This process results in thereproduction of a living prokaryotic cell bydivision into two parts which each have the potential to grow to the size of the original

cell.


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B acteria U ses of bacteria :Medicine Industry (antibiotics) Tanning of leather Wine IndustryLactobacillus (converts curd into milk) Bacteria living in the gut of herbivore animals break downSynthesis of vitamin b complexDecompose matter Nitrogen fixation


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ALGAE

What is algae?Algae are a large and diverse group of sautotrophic organisms (organisms that c their own food), ranging from unicellulamulticellular forms.


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ALGAE

Where are they found ?Algae are usually found in moist, damp or aqua

Does algae have chlorophyll or not?Alga is the only being other than plants containichlorophyll . Alga also is the only being except photosynthesize.


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ALGAE

Some algae :Spirogyra

ChlamydomonasVolvoxKelp


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ALGAE

U ses of alga :Ice-cream

ToothpastesMedicines Agar gel (food for biotechnologicalexperiments)Oxygen to the atmosphere


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ALGAE

Harmful aspect:

Eutrophication or algal bloom :

When excess fertilizers enter the sea fromagricultural fields, it creates a big layer of algae called algal bloom, which is veryharmful for aquatic or marine life as thealgae completely cuts out sunlight from thewater beneath it, and for a matter of fact, italso reduce oxygen in the water, whichcause the fish and other aquatic animals todie. This process is called Eutrophication .


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Fungi

W hat is fungi?Fungus is a eukaryotic organism that is a member of the kingdom Fungi . The

fungi are a monophyletic group, also called theEumycota .


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Fungi

S ome fungi:

Rhizopus : Rhizopus is a genus of moldsthat includes cosmopolitan filamentous

fungi found in soil, decaying fruit and vegetables, animal feces, and old bread.

Agaricus: Agaricus is a large and important genus of mushrooms containing both edible andpoisonous species, with possibly over 300 members

worldwide .Agaricus are characterized by having a fleshy cap or pileus, from the underside of whichgrow a number of radiating plates or gills on whichare produced the naked spores.


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Fungi

U seful aspects

Edible mushrooms

Yeast (baking products)Penicillium is antibiotic

Cheese


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Fungi

H armful aspects :

Food spoilage

Poisonous mushrooms whenconsumed cause food poisoning .

Athlete foot , ringworm diseases

Diseases in plants

Leather goods spoilage


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Protozoa

What are protozoa?Protozoa are microorganisms classified as unicellular

eukaryotes. Protozoa are paraphyletic. Though they have sometimes been described as a subkingdom or phylum, th not constitute a formal taxon in modern classification syst


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Protozoa

Types of protozoa:Amoeba:

Paramecium:Euglena:


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V irus

What is a virus?A virus is a microscopic infectious agent that can only

reproduce inside a host cell. Viruses infect all types of organisms: from animals and plants, to bacteria and archa

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