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






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






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






4. Animal hunted or caught for food






5. Animals that hunt and eat other animals






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






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






8. Animal hunted or caught for food






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






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






11. Any animal that feeds on flesh






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






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






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






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






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






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






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






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






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






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






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






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






24. Transmit information






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






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






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






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






29. A close relationship of mutual dependence






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






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






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






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






34. A close relationship of mutual dependence






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






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






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






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






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






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






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






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






43. The living organisms in an ecosystem






44. An arid region with little or no vegetation






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






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






47. The amount of moisture in the air






48. Any nonliving component of an environment






49. The living organisms in an ecosystem






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