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






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






3. An arid region with little or no vegetation






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






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






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






7. Any animal that lives by preying on other animals






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






23. The amount of moisture in the air






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






25. A close relationship of mutual dependence






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. An arid region with little or no vegetation






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






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






31. The living organisms in an ecosystem






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






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






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






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






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






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






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






39. Any nonliving component of an environment






40. Animals that hunt and eat other animals






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






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






43. Any animal that feeds on flesh






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






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






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






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






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






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






50. The amount of moisture in the air