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. Overall weather in an area over a long period of time






2. Animal hunted or caught for food






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






4. Any animal that lives by preying on other animals






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






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






7. Conclude by reasoning






8. A close relationship of mutual dependence






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






10. The amount of moisture in the air






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






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






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






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






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






16. Any nonliving component of an environment






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






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






19. Animals that hunt and eat other animals






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






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






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






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






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






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






26. The amount of moisture in the air






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






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






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






30. Any animal that feeds on flesh






31. Animals that hunt and eat other animals






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






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






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






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






36. An arid region with little or no vegetation






37. Transmit information






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






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






40. Transmit information






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






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






43. Animal hunted or caught for food






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






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






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






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






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






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






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