Biology is the study of Life. It helps us understand many things, such as how our body works, how our body keeps warm, and what we are made of. Biology is very important to know. Some subjects in Biology are Genetics, Zoology, Botany, and Ecology.
Living things can be many sizes. A living creature is called an organism. From small to large, these are how living things are grouped.
- Cells
- Tissues
- Organs
- Organ systems
- Organisms
- Populations
- Communities
- Ecosystems
- Biomes
- Biosphere