Across
- 2. the study of relationships between different forms of animals and their natural surroundings
- 8. when living things depend on each other for survival
- 11. a biological community of interacting organisms and their physical environment
Down
- 1. an animal that only eats meat
- 3. an animal that eats both plants and meat
- 4. eats prey
- 5. eaten by predators
- 6. an animal that only eats plants
- 7. a graphical representation of the energy found within the trophic levels of an ecosystem
- 9. a relationship where both organisms benefit from their interaction with each other
- 10. illustrate the interactions between several different chains in the ecosystem