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. Dense forest that receives high amounts of rain each year






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






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






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






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






6. An arid region with little or no vegetation






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






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






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






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






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






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






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






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






15. Animal hunted or caught for food






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






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






18. The amount of moisture in the air






19. The amount of moisture in the air






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






21. Animal hunted or caught for food






22. Animal hunted or caught for food






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






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






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






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






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






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






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






30. Conclude by reasoning






31. Any nonliving component of an environment






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






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






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






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






36. Any animal that feeds on flesh






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






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






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






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






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






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






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






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






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






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






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






48. The living organisms in an ecosystem






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






50. An arid region with little or no vegetation