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






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






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






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






5. The amount of moisture in the air






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






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






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






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






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






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






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






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






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






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






16. Any animal that feeds on flesh






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






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






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






20. The amount of moisture in the air






21. An arid region with little or no vegetation






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






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






24. Animals that hunt and eat other animals






25. Any nonliving component of an environment






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






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






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






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






30. Any animal that feeds on flesh






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






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






33. Animal hunted or caught for food






34. A close relationship of mutual dependence






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






36. Transmit information






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






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






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






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






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






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






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






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






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






46. An animal that feeds on both animal and vegetable substances






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






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






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






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