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 amount of moisture in the air






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






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






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






5. The living organisms in an ecosystem






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






7. The amount of moisture in the air






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






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






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






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






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






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






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






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






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






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






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






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






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






21. A close relationship of mutual dependence






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






23. Transmit information






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






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






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






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






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






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






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






31. Animal hunted or caught for food






32. An arid region with little or no vegetation






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






34. Animal hunted or caught for food






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






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






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






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






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






40. A close relationship of mutual dependence






41. Animal hunted or caught for food






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






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






44. Conclude by reasoning






45. Any animal that lives by preying on other animals






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






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






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






49. Any nonliving component of an environment






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