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. Any animal that feeds on flesh






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






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






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






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






6. Animals that hunt and eat other animals






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






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






9. The amount of moisture in the air






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






11. Animal hunted or caught for food






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






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






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






15. The living organisms in an ecosystem






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






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






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






19. An arid region with little or no vegetation






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






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






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






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






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






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






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






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






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






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






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






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






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






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






34. An arid region with little or no vegetation






35. Any animal that feeds on flesh






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






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






38. Animal hunted or caught for food






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






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






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






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






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






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






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






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






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






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






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






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