Across
- 2. level Hierarchy levels in an ecosystem, of organisms that share the same function and nutritional relationships in the food chain and the same nutritional relationship to the primary sources of energy
- 4. chain A hierarchy of organisms dependent on the next as a source of food
- 7. A symbiosis that is beneficial to both organisms involved
- 8. An animal that feeds on flesh
- 12. An ecological process where one organism hunts, captures, and kills another organism for food
- 16. A group of living organisms consisting of similar individuals capable of breeding
- 18. consumer An organism that gets its energy by eating primary consumers, which are herbivores that eat producers
- 19. Not associated with living organisms, includes items such as light, temperature, wind patterns, and precipitation
- 21. An animal that eats food of both plant and animal origins
- 22. An animal that feeds on plants
- 25. consumer An animal that obtains its nutrition by eating primary and secondary consumers
- 26. web A system of interlocking and interdependent food chains
- 28. An animal that feeds on dead organic material
- 29. An organism that eats other plants or animals for energy and nutrients
Down
- 1. A group of organisms of the same species that live in a specific geographic area and can interbreed
- 3. A biological interaction where one species benefits from another species without harming or benefiting it
- 5. consumer An organism that eats exclusively plant-based foods and is on the second level of a food chain
- 6. The regions of the surface, atmosphere, and hydrosphere of the Earth occupied by living organisms
- 8. A group of species that are commonly found together
- 9. A living organism that obtains its energy by eating other organisms
- 10. A large naturally occurring community of plants and animals occupying a major habitat
- 11. A species on which other species in an ecosystem largely depend on, if it were removed the ecosystem would change drastically
- 13. A community of living organisms interacting with their nonliving physical environment within a specific area
- 14. Organisms that can make their own energy through biochemical processes
- 15. Relating to living things in ecological relations
- 17. An organism that is able to form nutrition from simple inorganic substances such as carbon dioxide
- 20. A relationship between organisms that strive for the same resources in the same place
- 23. An organism that breaks down dead organisms and releases the nutrients from the dead matter into the environment around them
- 24. A close, prolonged association between two or more different biological species
- 27. A relationship between two organisms where one organism benefits at the expense of the other