Across
- 3. An organism that can produce its own food using light, water, carbon dioxide, or other chemicals.
- 7. An animal that is hunted or killed by another animal for food.
- 10. An animal that lives by killing and eating other animals
- 11. Something that produces.
- 12. A bacteria that is commonly found in the lower intestine of warm-blooded organisms.
- 13. An organism that eats other plants or animals for energy and nutrients.
- 15. A relationship in which both species are mutually benefited.
- 18. A unique relationship between two species wherein one species draws food, shelter, or transport from the other without harming it.
- 19. The position of an organism in the food chain.
- 20. An organism who eats other organisms.
Down
- 1. The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar.
- 2. An organelle within the cells of plants and certain algae that is the site of photosynthesis
- 4. An organism that feeds on plants and other organisms.
- 5. The representation of total living biomass or organic matter present at different trophic levels in an ecosystem.
- 6. An organism who only eats plants.
- 8. An antibiotic made from Penicillium mold that can kill bacteria or keep it from making more bacteria.
- 9. A group of organisms linked in order of the food they eat.
- 14. The physical processes by which a living thing obtains the oxygen it needs to produce energy and eliminate waste gasses.
- 16. Consists of all the food chains in a single ecosystem.
- 17. Tiny living things that are found all around us and are too small to be seen by the naked eye.