| A | B |
|---|
| primary | most important, or relating to the education of young children |
| secondary | not as important or valuable as something else |
| practical | useful or appropriate for a particular purpose |
| decomposer | an organism that breaks down dead plants or animals |
| producer | a living thing that produces its own food using energy from the sun |
| process | a series of actions, changes or developments |
| relationship | the way in which two people or groups behave towards each other |
| tropical | a very hot and wet place |
| clear-cutting | removal of all trees by cutting down |
| scavenger | an animal that feeds on dead or decaying matter |
| dense | crowded closely together |
| local | relating to a particular place or area |
