The nature and variety of living organisms
Variety of organisms
- Characteristics of living thingsNutrition, respirationExcretion, responseMovement, controlReproduction, growth
- PlantsMulticellularChloroplasts, cellulose wallStarch or sucrose
- AnimalsMulticellularNo cell wallNervous co-ordinationGlycogen
- FungiHyphae and myceliumChitin wallSaprotrophic nutritionMucor, yeast
- ProtoctistsSingle-celledAmoeba, ChlorellaPlasmodium causes malaria
- BacteriaProkaryotic, no nucleusCircular chromosome, plasmidsLactobacillus, Pneumococcus
- VirusesNot livingProtein coat, DNA or RNAReproduce inside cellsTMV, influenza, HIV