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






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






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






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






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






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






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






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






9. The amount of moisture in the air






10. The living organisms in an ecosystem






11. A close relationship of mutual dependence






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






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






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






15. Any animal that feeds on flesh






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






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






18. An arid region with little or no vegetation






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






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






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






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






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






24. Any animal that feeds on flesh






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






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






27. Any animal that lives by preying on other animals






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






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






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






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






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






33. Animal hunted or caught for food






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






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






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






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






38. An arid region with little or no vegetation






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






40. Animals that hunt and eat other animals






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






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






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






44. Transmit information






45. The living organisms in an ecosystem






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






47. Conclude by reasoning






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






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






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