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Common Core Ecosystem

Subjects : common-core, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • Match each statement with the correct term.
  • Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. The cycle in which nitrogen gas is changed into forms of nitrogen that plants can use






2. Transmit information






3. A relationship between two organisms in which one organism benefits and the other is unaffected






4. The falling to earth of any form of water (rain or snow or hail or sleet or mist)






5. A group of organisms of the same species populating a given area






6. Conclude by reasoning






7. The type of environment in which an organism or group normally lives or occurs






8. Water that flows over the ground surface rather than soaking into the ground






9. One organism lives on or inside another organism and harms it






10. An animal that feeds on both animal and vegetable substances






11. Tiny - free-floating organisms that occur in aquatic environments






12. A relationship between two organisms in which one organism benefits and the other is unaffected






13. A group of interdependent organisms inhabiting the same region and interacting with each other






14. A nonrenewable energy resource formed from the remains of organisms that lived long ago; examples include oil - coal - and natural gas






15. Symbiotic relationship in which both species benefit from the relationship






16. A biome with four seasons - plants shed leaves in the fall and grow new ones in the spring.






17. Animals that hunt and eat other animals






18. Water that flows over the ground surface rather than soaking into the ground






19. One organism lives on or inside another organism and harms it






20. Animal hunted or caught for food






21. Living and nonliving things in an environment - together with their interactions






22. Area of shore between the high-tide and low-tide lines






23. An animal that feeds on both animal and vegetable substances






24. Any animal that feeds chiefly on grass and other plants






25. Ecosystems of several types in which vegetation is surrounded by standing water during part or most of the year






26. A biome with four seasons - plants shed leaves in the fall and grow new ones in the spring.






27. The continuous movement of water between Earth's surface and the air - changing from liquid to gas to liquid






28. The process by which water changes from liquid form to an atmospheric gas






29. The process by which water changes from liquid form to an atmospheric gas






30. The branch of biology concerned with the relations between organisms and their environment






31. The process of changing from a gaseous to a liquid or solid state






32. Symbiotic relationship in which both species benefit from the relationship






33. A vast - level - treeless plain in the arctic regions. The ground beneath the surface of the tundras is frozen even in summer






34. Any animal that feeds on flesh






35. The movement of carbon from the nonliving environment into living things and back






36. Area of shore between the high-tide and low-tide lines






37. Tiny - free-floating organisms that occur in aquatic environments






38. A close relationship of mutual dependence






39. Any animal that feeds on refuse and other decaying organic matter






40. The process of changing from a gaseous to a liquid or solid state






41. The process by which water changes from liquid form to an atmospheric gas






42. Series of steps in an ecosystem in which organisms transfer energy by eating and being eaten






43. The cycle in which nitrogen gas is changed into forms of nitrogen that plants can use






44. An arid region with little or no vegetation






45. The status of an organism within its environment and community (affecting its survival as a species)






46. Any animal that feeds on refuse and other decaying organic matter






47. (ecology) a community of organisms where there are several interrelated food chains






48. Organisms that live attached to or near the ocean floor






49. Conclude by reasoning






50. Process by which plants use the sun's energy to convert water and carbon dioxide into sugars