Test your basic knowledge |

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






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






3. Animal hunted or caught for food






4. Animals that hunt and eat other animals






5. Animal hunted or caught for food






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






7. Any animal that feeds on flesh






8. An arid region with little or no vegetation






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






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






11. Dense forest that receives high amounts of rain each year






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






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






14. Transmit information






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






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






17. The amount of moisture in the air






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






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






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






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






22. Free-swimming animals that can move throughout the water column






23. Transmit information






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






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






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






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






28. A close relationship of mutual dependence






29. Animals that hunt and eat other animals






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






31. Overall weather in an area over a long period of time






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






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






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






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






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






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






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






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






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






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






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






43. A close relationship of mutual dependence






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






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






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






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






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






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






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