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






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






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






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






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






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






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






8. Animals that hunt and eat other animals






9. A close relationship of mutual dependence






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






11. Animal hunted or caught for food






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






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






14. The amount of moisture in the air






15. Any animal that lives by preying on other animals






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






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






18. Any animal that lives by preying on other animals






19. Animal hunted or caught for food






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






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






22. An arid region with little or no vegetation






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






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






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






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






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






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






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






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






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






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






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






34. The living organisms in an ecosystem






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






36. A close relationship of mutual dependence






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






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






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






40. Any animal that feeds on flesh






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






42. An arid region with little or no vegetation






43. Conclude by reasoning






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






45. Animal hunted or caught for food






46. Any nonliving component of an environment






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






48. Any nonliving component of an environment






49. Transmit information






50. The living organisms in an ecosystem