Across
- 1. a tool used to explain complex relationships that may be seen in an ecosystem
- 3. any living thing
- 6. a relationship where both organisms benefit from each other
- 8. frequency of one organism
- 9. all living things are dependent on both nature and each other for survival
Down
- 1. a singular series of animals showing the flow of energy
- 2. one organism is being hunted while the other organism is the hunter
- 4. indicate the flow of energy in food webs and food chains
- 5. a place where multiple organisms live
- 7. the study of relationships between different forms of animals and their natural surroundings