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 group of organisms of the same species populating a given area






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






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






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






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






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






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






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






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






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






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






12. Animal hunted or caught for food






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






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






15. Animals that hunt and eat other animals






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






17. Any animal that feeds on flesh






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






19. Any animal that feeds on flesh






20. The land area that supplies water to a river system






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






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






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






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






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






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






27. Any nonliving component of an environment






28. Animal hunted or caught for food






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






30. A close relationship of mutual dependence






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






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






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






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






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






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






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






38. Any animal that lives by preying on other animals






39. Animal hunted or caught for food






40. Conclude by reasoning






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






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






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






44. An arid region with little or no vegetation






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






46. A close relationship of mutual dependence






47. The living organisms in an ecosystem






48. Conclude by reasoning






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






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