Food Chains and Food Webs

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.

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.