Food chains and food webs
Across
- 3. An organism that can produce its own food using light, water, carbon dioxide, or other chemicals
- 7. An animal that is hunted and killed by another animal for food
- 10. An organism that kills and eats other animals
- 11. Organisms that make their own food
- 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 relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter
- 19. The position it occupies on the food chain
- 20. An organism that only consumes meat or other animals
Down
- 1. The process by which plants use sunlight, water, and carbon dioxide to create oxygen and energy in the form of sugar
- 2. Plant cell organelles that convert light energy into relatively stable chemical energy via the photosynthetic process
- 4. An organism that eats plants and animals
- 5. The representation of total living biomass or organic matter present at different trophic levels in an ecosystem
- 6. An organism that only consumes plants
- 8. A group of antibacterial drugs that attack a wide range of bacteria
- 9. Order of events in an ecosystem
- 14. The process that all living things go through to create the energy they need to live
- 16. Consists of all the food chains in a single ecosystem
- 17. Organisms that are too small to be seen without using a microscope