1. Living Things
1.1. Animals
1.1.1. Birds
1.1.1.1. Have feathers & beak
1.1.1.2. Lay eggs
1.1.2. Fish
1.1.2.1. Have scales
1.1.2.2. Lives in water only
1.1.2.3. Have fins to swim
1.1.2.4. Have gills to breathe
1.1.3. Amphibians
1.1.3.1. Have moist skin
1.1.3.2. Can live on land and in water
1.1.3.3. Breathe using their lungs
1.1.3.4. Most amphibians lays eggs
1.1.4. Insects
1.1.4.1. Have hard outer covering or exoskeleton
1.1.4.2. Body is divided into 3 parts
1.1.4.3. Have 6 legs
1.1.5. Mammals
1.1.5.1. Have outer covering of hair
1.1.5.2. Most mammals give birth to young
1.1.5.3. Lives on land and in water
1.1.5.4. Mothers produce milk for their young
1.1.6. Reptiles
1.1.6.1. Have dry skin, usually covered with scales
1.1.6.2. Cold Blooded animals
1.1.6.2.1. Breathe using their lungs
1.1.6.3. Most reptiles lay eggs
1.2. Plants
1.2.1. Flowering
1.2.2. Non-flowering
1.3. Fungi
1.3.1. Mould
1.3.2. Yeast
1.3.3. Mushrooms
1.4. Bacteria
2. Non-living Things
2.1. Materials
2.1.1. Metals
2.1.2. Fabric
2.1.3. Wood
2.1.4. Rubber
2.1.5. Glass
2.1.6. Plastics
2.1.7. Ceramics