diversity
作者：Fitrah Qorirah
1. animals
1.1. mammals
1.1.1. reptiles
1.1.1.1. amphibians
1.1.1.1.1. birds
2. fungi
3. insects
4. bacteria
5. characteristics
5.1. grow
5.1.1. reproduce
5.1.1.1. air food and water
5.1.1.1.1. responds to changes in surroundings