NEET

Char­ac­ter­is­tics of Liv­ing Things: Exclu­sive Char­ac­ter­is­tic: The abil­i­ty to per­ceive events in the envi­ron­ment and retain their mem­o­ry is a unique […]

1. Intro­duc­tion to Diver­si­ty The world is home to a large vari­ety of liv­ing organ­isms, vis­i­ble (e.g., plants, ani­mals, birds)

1. Intro­duc­tion to Tax­o­nom­ic Cat­e­gories Clas­si­fi­ca­tion Process: Involves mul­ti­ple hier­ar­chi­cal steps. Each step rep­re­sents a rank or cat­e­go­ry. Tax­o­nom­ic Hier­ar­chy:

Rich Vari­ety of Life: Mil­lions of plants and ani­mals have been iden­ti­fied and described. A large num­ber of organ­isms remain

His­tor­i­cal Per­spec­tive on Clas­si­fi­ca­tion Prim­i­tive Clas­si­fi­ca­tion: Ear­ly clas­si­fi­ca­tion was instinc­tive and based on util­i­ty (food, shel­ter, cloth­ing). Lacked sci­en­tif­ic cri­te­ria.

King­dom Mon­era Bac­te­ria: Sole mem­bers of King­dom Mon­era. Most abun­dant microor­gan­isms on Earth. Ubiq­ui­tous (found almost every­where): Soil Extreme habi­tats

Archae­bac­te­ria: A unique group of bac­te­ria adapt­ed to sur­vive in extreme envi­ron­ments. Key Char­ac­ter­is­tics: Extremophiles: Thrive in harsh con­di­tions where most oth­er

Eubac­te­ria (“True Bac­te­ria”) Char­ac­ter­is­tics: Rigid cell wall Fla­gel­lum (if motile) Cyanobac­te­ria (Blue-Green Algae): Con­tain chloro­phyll a (sim­i­lar to plants) Pho­to­syn­thet­ic autotrophs Forms: