Across
- 3. Model illustrating the RATE of energy transfer between trophic levels.
- 7. Interconnected food chains showing complex feeding relationships.
- 8. Model displaying organic mass at each trophic level.
- 11. An organism that can make its own food.
- 12. Organisms externally digesting dead organic matter.
- 13. Consists of all life on Earth and all parts of the Earth in which life exists, including land, water, and the atmosphere.
- 14. A symbiotic relationship in which both species benefit from the relationship
- 16. An organism on which a parasite lives.
- 17. A group of organisms that are closely related and can mate to produce fertile offspring
- 19. A interaction in which one animal (the herbivore) feeds on producers (such as plants)
- 23. An organism that lives on or in a host and causes harm to the host
- 25. A system in which exchanges of matter or energy occur across system boundaries
- 26. A relationship where one organism benefits and the other isn't harmed(barnacles on whales)
- 27. Concentration of toxic substances up the food chain.
- 30. Equation: glucose + oxygen --> carbon dioxide + water + ATP
- 31. An organism that is killed and eaten by another organism
- 34. A relationship between two species in which both species benefit
- 37. pollution that comes from many sources rather than from a single, specific site
- 38. All the different populations that live together in an area
- 39. Organisms obtaining energy by consuming other organisms.
- 40. (dichlorodiphenyltrichloroethane)Widespread use of began during the early 1940s and reached a maximum during the 1960s. Due to concerns about the possible adverse effects upon the health of humans and wildlife, application it was prohibited in 1972 in the U.S.
- 42. Capable of being broken down by bacteria and other decomposers.
- 43. All biotic components interacting in a common habitat.
- 44. An organism that obtains energy by eating only plants
- 45. Word relating to water
- 46. Organisms producing their energy.
- 47. A feedback loop in which a system responds to a change by returning to its original state, or by decreasing the rate at which the change is occurring.
- 48. pollutant put directly into the air by human activity, such as soot from smoke
Down
- 1. A feedback loop in which a system responds to a change increasing the change.
- 2. Model showing feeding relationships in an ecosystem.
- 3. Model showing total organism count in each trophic level.
- 4. Approximately 10% energy transfer efficiency between trophic levels.
- 5. Organism's position in a food chain.
- 6. Organisms internally digesting dead organic matter.
- 9. Equation: Carbon dioxide + water -> glucose + oxygen
- 10. Pollutants discharged from a single identifiable location (e.g., pipes, ditches, channels, sewers, tunnels, containers of various types).
- 15. pollutants that form from chemical reactions that occur when primary pollutants come in contact with other primary pollutants or with naturally occuring substances, such as water vapor.
- 18. A relationship between two organisms of different species where one benefits and the other is harmed
- 20. Organisms breaking down dead matter for nutrient recycling.
- 21. The natural home or environment of an animal, plant, or other organism.
- 22. Threshold level at which an environmental problem causes a fundamental and irreversible shift in the behavior of a system.
- 24. physical rather than biological; not derived from living organisms.
- 28. An animal that hunts other animals for food
- 29. Process converting light energy to chemical energy in plants.
- 32. Accumulation of toxic substances within an organism over time.
- 33. An organism that obtains energy by eating animals
- 35. Disaster location where mercury contamination from a factory caused significant health issues in Japan.
- 36. A system in which no matter is allowed to enter or leave
- 41. Word relating to the land
- 43. An organism that obtains energy by feeding on other organisms