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






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






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






4. Animal hunted or caught for food






5. The amount of moisture in the air






6. The living organisms in an ecosystem






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






8. An arid region with little or no vegetation






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






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






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






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






13. Animals that hunt and eat other animals






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






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






16. Any nonliving component of an environment






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






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






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






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






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






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






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






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






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






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






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






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






29. A close relationship of mutual dependence






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






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






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






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






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






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






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






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






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






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






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






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






42. Animal hunted or caught for food






43. Animals that hunt and eat other animals






44. Animal hunted or caught for food






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






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






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






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






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






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