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






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






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






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






5. A close relationship of mutual dependence






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






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






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






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






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






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






12. Any animal that lives by preying on other animals






13. The amount of moisture in the air






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






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






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






17. Animal hunted or caught for food






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






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






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






21. Any animal that feeds on flesh






22. An arid region with little or no vegetation






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






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






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






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






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






28. Any nonliving component of an environment






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






30. Any animal that lives by preying on other animals






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






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






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






34. Conclude by reasoning






35. Conclude by reasoning






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






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






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






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






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






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






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






43. Transmit information






44. Any nonliving component of an environment






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






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






47. The amount of moisture in the air






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






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






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