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






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






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






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






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






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






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






8. Any nonliving component of an environment






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






10. Animals that hunt and eat other animals






11. Animals that hunt and eat other animals






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






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






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






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






16. An arid region with little or no vegetation






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






18. Conclude by reasoning






19. Any animal that feeds on flesh






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






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






22. The living organisms in an ecosystem






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






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






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






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






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






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






29. Conclude by reasoning






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






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






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






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






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






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






36. A close relationship of mutual dependence






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






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






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






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






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






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






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






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






45. Any animal that lives by preying on other animals






46. Transmit information






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






48. An arid region with little or no vegetation






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






50. The living organisms in an ecosystem