THE LIVING WORL
What is Living?
Unique features of living organisms
Living organisms are Self Replicating, Evolving, Self Regulating Interactive systems capable of resp
Reproduction,isacharacteristic Anothercharacteristicoflife Alllivingorganismsgrow Consciousness,adefining
oflivingorganisms ismetabolism • Increaseinmassandinno.of propertyoflivingorganism
• Forfungi asexualspores • Anisolatedmetabolic reaction individualsaretwin (Organismsare distinguish
• Foryeast& hydra budding outsidebodyintesttube is characteristicsof growth. unexpectedly)
• For planaria trueregeneration neitherlivingnorliving. • Plantsgrow bycelldivision •Every livingorganismsse
• ForFragmentation fungi, • Metabolismisadefining (multicellular)throughouttheir respondtoenvironment.(
filamentousalga,protonema featureofalllivingorganisms life.Unicellularorganismsalso respondtolight,water,tem
ofmosses withoutexception. grow bycelldivision pollutant,etc.andphotope
• Forunicellularorganismslike • Isolatedreactionsare notliving • Inanimalsgrowth isseenonly affectsreproduction insea
amoeba growth andreproduction thingsbutsurely livingreactions. uptoacertainage.Inmajority of breeders,bothinplants&
are synonymous Hence cellularorganisationof higherorganismsgrowthand animals.Allanimalshandle
Buttherearesome sterile bodyisadefiningfeatureof reproductionaremutually chemicalsenteringthem.)
organismsLikemule,workerbees, livingorganisms. exclusive events. • Onlyhuman have self
infertile human,hence it •Growth hastobe internallyhence consciousness.
cannotbe anallinclusive defining it'snotadefiningproperty. • Comapatientsbrainare
characteristic oflivingorganisms. butbodyisresponding(h
lungsgetreplacedbyma
Diversity in the Living Worl
Each different kind of plant, animal or organisms representes a specie
1.7-1.8 million species have been known and described which refers to biodiversity (no. & type
Nomenclature Systematics Clas
(Namingoforganismssuchthataparticularorganism is • Branchofbiology including,differentorganisms,their
knownbythesamenamealloverthe world.) diversityandrelationshipb/wthem.Latinword systema obs
• Forplants: ICBN(Internationalcode forbotanical meanssystematic arrangementoforganisms
nomenclature) • Linnaeusused systema Naturae asthetitle of hispublication.
• Foranimals: ICZN(Internationalcode forzoological • The scope ofsystematicswaslaterenlargedto include
nomenclature) identification,nomenclatureandclassification.Systematics
takesintoaccountevolutionaryrelationshipb/w organisms
What is Living?
Unique features of living organisms
Living organisms are Self Replicating, Evolving, Self Regulating Interactive systems capable of resp
Reproduction,isacharacteristic Anothercharacteristicoflife Alllivingorganismsgrow Consciousness,adefining
oflivingorganisms ismetabolism • Increaseinmassandinno.of propertyoflivingorganism
• Forfungi asexualspores • Anisolatedmetabolic reaction individualsaretwin (Organismsare distinguish
• Foryeast& hydra budding outsidebodyintesttube is characteristicsof growth. unexpectedly)
• For planaria trueregeneration neitherlivingnorliving. • Plantsgrow bycelldivision •Every livingorganismsse
• ForFragmentation fungi, • Metabolismisadefining (multicellular)throughouttheir respondtoenvironment.(
filamentousalga,protonema featureofalllivingorganisms life.Unicellularorganismsalso respondtolight,water,tem
ofmosses withoutexception. grow bycelldivision pollutant,etc.andphotope
• Forunicellularorganismslike • Isolatedreactionsare notliving • Inanimalsgrowth isseenonly affectsreproduction insea
amoeba growth andreproduction thingsbutsurely livingreactions. uptoacertainage.Inmajority of breeders,bothinplants&
are synonymous Hence cellularorganisationof higherorganismsgrowthand animals.Allanimalshandle
Buttherearesome sterile bodyisadefiningfeatureof reproductionaremutually chemicalsenteringthem.)
organismsLikemule,workerbees, livingorganisms. exclusive events. • Onlyhuman have self
infertile human,hence it •Growth hastobe internallyhence consciousness.
cannotbe anallinclusive defining it'snotadefiningproperty. • Comapatientsbrainare
characteristic oflivingorganisms. butbodyisresponding(h
lungsgetreplacedbyma
Diversity in the Living Worl
Each different kind of plant, animal or organisms representes a specie
1.7-1.8 million species have been known and described which refers to biodiversity (no. & type
Nomenclature Systematics Clas
(Namingoforganismssuchthataparticularorganism is • Branchofbiology including,differentorganisms,their
knownbythesamenamealloverthe world.) diversityandrelationshipb/wthem.Latinword systema obs
• Forplants: ICBN(Internationalcode forbotanical meanssystematic arrangementoforganisms
nomenclature) • Linnaeusused systema Naturae asthetitle of hispublication.
• Foranimals: ICZN(Internationalcode forzoological • The scope ofsystematicswaslaterenlargedto include
nomenclature) identification,nomenclatureandclassification.Systematics
takesintoaccountevolutionaryrelationshipb/w organisms
