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






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






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






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






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






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






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






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






9. Any animal that lives by preying on other animals






10. Animal hunted or caught for food






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






12. The living organisms in an ecosystem






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






14. Any animal that feeds on flesh






15. Transmit information






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






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






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






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






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






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






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






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






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






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






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






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






28. A close relationship of mutual dependence






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






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






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






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






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






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






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






36. Any animal that feeds on flesh






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






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






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






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






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






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






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






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






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






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






49. A close relationship of mutual dependence






50. Animals that hunt and eat other animals