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 living organisms in an ecosystem






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






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






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






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






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






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






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






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






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






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






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






13. Any animal that lives by preying on other animals






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






15. Animal hunted or caught for food






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






17. Animal hunted or caught for food






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






19. Transmit information






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






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






22. A close relationship of mutual dependence






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






24. Animal hunted or caught for food






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






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






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






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






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






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






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






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






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






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






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






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






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






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






39. Animals that hunt and eat other animals






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






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






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






43. An arid region with little or no vegetation






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






45. Any nonliving component of an environment






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






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






48. Any animal that feeds on flesh






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






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