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






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






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






4. Transmit information






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






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






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






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






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






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






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






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






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






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






15. Animal hunted or caught for food






16. Conclude by reasoning






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






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






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






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






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






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






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






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






25. Any animal that lives by preying on other animals






26. A close relationship of mutual dependence






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






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






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






30. Transmit information






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






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






33. The amount of moisture in the air






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






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






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






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






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






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






40. An arid region with little or no vegetation






41. Any nonliving component of an environment






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






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






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






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






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






47. Any animal that feeds on flesh






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






49. Animal hunted or caught for food






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