Across
- 3. An organism that is able to form nutritional organic substances from simple in organic substances such as carbon dioxide
- 6. The regions of the surface, atmosphere, and hydrosphere of the earth
- 7. A biological community of interacting organisms and their physical environment
- 10. Relating to or having the habitat of a parasite caused by or resulting from effects of parasites
- 12. A system of interlocking and independent food chains
- 14. A group of people living in the same place or having a particular characteristic in common
- 15. A particular sections, group, or type of people or animals in an area or country
- 16. An animal that is caught and killed by an other for food
- 17. Organisms that make their own food
- 18. An animal that feeds on plants
- 20. An organism that cannot produce its own food and must eat other plants and animals to get energy
- 22. The series of processes by which food is grown or produced, sold, and eventually consumed
- 23. The living components (organisms)that shape up the environment
Down
- 1. The position of an organism in the food chain
- 2. An animal that feeds on carrion, dead plant material, or refuse
- 4. Animals that eat both plants and animals
- 5. An organism that eats other plants and animals for energy and nutrients
- 8. An animal that feeds on other animals
- 9. An organism, a soil bacterium, fungus, or invertabrae, that decomposes organic material
- 11. Non-living of an ecosystem that shapes the environment
- 13. An animal or plant on or in which a parasite or commensal lives
- 18. The natural home or environment of an animal, plant, or other organisms
- 19. An animal that naturally preys on others
- 21. The study of the relationships between living organisms, including humans, and their physical environment
- 24. A living thing, such as an animal, a plant, or bacterium, or a fungus