The nature and variety of living organisms
- Characteristics of living things
- Nutrition, respiration
- Excretion, response
- Movement, control
- Reproduction, growth
- Plants
- Multicellular
- Chloroplasts, cellulose wall
- Starch or sucrose
- Animals
- Multicellular
- No cell wall
- Nervous co-ordination
- Glycogen
- Fungi
- Hyphae and mycelium
- Chitin wall
- Saprotrophic nutrition
- Mucor, yeast
- Protoctists
- Single-celled
- Amoeba, Chlorella
- Plasmodium causes malaria
- Bacteria
- Prokaryotic, no nucleus
- Circular chromosome, plasmids
- Lactobacillus, Pneumococcus
- Viruses
- Not living
- Protein coat, DNA or RNA
- Reproduce inside cells
- TMV, influenza, HIV