SINDH TEXTBOOK BORAD JAMSHORO

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SINDH TEXTBOOK BORAD JAMSHORO BIOLOGY FOR CLASS IX

Classification of Living Organism Chapter #3 Class IX Classification of Living Organism Content Definition And Aims Of Classification Advantages of classifying living organisms Criteria used in the classification of living organisms Basis Of Classification Units Of Classification Binomial Nomenclature Major Groups Of Living Organisms

Classification of Living Organism Taxonomy Biological classification is putting organisms into groups. This is part of Scientific Taxonomy. Classification is the arrangement of different related organism groups put into different groups. The classification system starts with a group with a wide variety of organisms and becoming more selective as the groups get more specific. Carl Linnaeus classified organism by shared characteristics.

Major Groups Of Living Organisms

Unit of classification Species Genera Families Order Class Phylum

Binomial nomenclature It is based on two name. Generic name(start with capital letter) Species name(small letter) Scientific name written in italic form e.g.Scientific name of mustard is Brassica campestris or Brassica campestris

Kingdom monera 1 cell No true nucleus - prokaryote (genetic material scattered and not enclosed by a membrane). some move (flagellum)and others don't move. Some make their own food (autotrophic); others can't make their own food (heterotrophic). examples - bacteria, blue-green bacteria (cyanobacteria)

Kingdom protist 1 Single cell and multicellular. 2.have a true nucleus – eukaryote 3.some move (cilia, flagella, pseudopodia); others don't move. 4.some are autotrophic and others are heterotrophic. There are three different type of things that are called Protists: protozoans, algae, and molds. PROTOZOANS are animal-like and are classified by how they move. They are also heterotrophs and a single-celled organism. ALGAE are plant-like and are classified by their color. They are also autotrophs and both single-celled and multi-cell organism. MOLD is fingus-like and decompose organic material. They get their nutrition from dead organisms. It is both single-celled and multi-celled organism. They are heterotrophic. examples - amoeba, diatom, euglena, paramecium, some algae (unicellular), etc

Kingdom fungi Multicellular Eukaryotes Heterotrophic by absorbtion

Kingdom Plantae Multicellular Eukaryotes autotrophic

Kingdom animalia Multicellular Eukaryotes Hetrotrophic