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






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






3. Animal hunted or caught for food






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






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






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






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






8. Animals that hunt and eat other animals






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






10. An arid region with little or no vegetation






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






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






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






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






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






16. A close relationship of mutual dependence






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






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






19. The amount of moisture in the air






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






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






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






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






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






25. Animal hunted or caught for food






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






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






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






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






30. Any animal that lives by preying on other animals






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






32. Any nonliving component of an environment






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






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






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






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






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






38. Any animal that feeds on flesh






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






40. The amount of moisture in the air






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






42. A close relationship of mutual dependence






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






44. Any animal that feeds on flesh






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






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






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






48. An arid region with little or no vegetation






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






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