Across
- 3. A producer
- 7. An organism that is hunted by another organism
- 10. An organism that hunts down another organism
- 11. An organism that makes its own food
- 12. A typically harmless bacterium that is commonly found inside of the intestines.
- 13. A carnivore or omnivore
- 15. An interaction between two organisms in which both organisms receive benefits
- 18. An interaction between two organisms in which one receives benefits and the other is neither benefited nor harmed
- 19. A hierarchy that shows a level for each organism that represents its power in an ecosystem
- 20. Only eats meat
Down
- 1. The process where sunlight and oxygen is used to produce energy
- 2. An organelle that converts sunlight to energy
- 4. Eats both plants and meat
- 5. A graph that shows the total biomass of an organism for each trophic level
- 6. Only eats plants
- 8. A type of antibiotics that treats bacterial infections
- 9. Shows the flow of energy through some organisms, typically a producer and three to four consumers
- 14. The process of taking in oxygen to produce carbon dioxide and energy
- 16. A group of food chains
- 17. Organisms that are too small to be seen by the naked eye