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






2. The amount of moisture in the air






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






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






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






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






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






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






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






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






11. The living organisms in an ecosystem






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






13. An arid region with little or no vegetation






14. Transmit information






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






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






17. Any animal that feeds on flesh






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






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






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






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






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






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






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






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






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






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






28. Animal hunted or caught for food






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






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






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






32. A close relationship of mutual dependence






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






34. Animal hunted or caught for food






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






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






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






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






39. Any animal that lives by preying on other animals






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






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






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






43. Any animal that feeds on flesh






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






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






46. The living organisms in an ecosystem






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






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






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






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