2 Characteristics of plants vs. animals
Initially, people separated all living things into two groups: plants and animals. 
Science has discovered that no single difference separates ALL plants from ALL animals, however the differences that distinguish most plants from most animals are:
| Most plants: | Most animals: |
| manufacture their own food from soil, minerals, water and air | ingest plants, fungi or other animals or animal products |
| contain chlorophyll | contain no chlorophyll |
| contain cellulose in cell walls | contain no cellulose in cell walls |
| are stationary | are able to move themselves, either as juveniles or adults |
| have an unlimited growth scheme | have a limited growth scheme |