UNIT_1_DIVERSITY OF LIFE_1: THE LIVING WORLD
SCOPE OF SYLLABUS :
- Characteristics of living organisms.
- Biodiversity (definition only). Need for classification should be discussed.
- Three domains of life – distinguishing features of (archaea, bacteria, eukarya), - a brief idea of the role of different types of archaebacteria (methanogens, halophiles and thermoacidophiles in their extreme environments, mycoplasma – three distinctive features).
- Definition and explanation of the terms taxonomy and systematics.
- Concept of species.
- Major taxonomic hierarchies (phylum, class, order, family, genus, species): definition and examples with reference to classification of man, house fly, mango and wheat.
- Rules of binomial nomenclature and advantages of using scientific names.
- Aids for study of taxonomy –– a very brief idea of museum and herbaria, zoological parks and botanical gardens. Definition of taxonomical keys.
- Three systems of classification – artificial, natural and phylogenetic.
CHARACTERISTICS OF LIVING ORGANISMS
BIODIVERSITY (DIVERSITY IN THE LIVING WORLD)
CONCEPT OF SPECIES