Across
- 3. third trophic level; a carnivore that eats herbivores
- 8. an organism that feeds on both plants and animals
- 9. breaks down organic matter into small pieces such as crabs, earthworms
- 11. meat eater
- 13. the total mass of living matter in a given space
- 15. transfer of energy from one tropic level to the next
- 16. natural cycle of minerals and other nutrients in the environment
Down
- 1. the second trophic level of the food chain
- 2. a diagram of organisms at each trophic level
- 4. the fourth trophic level; carnivores that eat carnivores
- 5. a one way series of steps of food and nutrients in a ecosystem
- 6. a pyramid of diagram of living matter by each tropic level
- 7. feeds on plants or algae
- 10. breaks down dead organic matter
- 12. feeding relationships of hundreds of species
- 14. a level that describes an individuals source of food