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






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






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






4. An arid region with little or no vegetation






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






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






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






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






9. The amount of moisture in the air






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






11. Animal hunted or caught for food






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






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






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






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






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






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






18. An arid region with little or no vegetation






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






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






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






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






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






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






25. Conclude by reasoning






26. Transmit information






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






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






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






30. Any animal that lives by preying on other animals






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






32. A close relationship of mutual dependence






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






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






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






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






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






38. Animals that hunt and eat other animals






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






40. Any animal that lives by preying on other animals






41. Animal hunted or caught for food






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






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






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






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






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






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






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






49. The living organisms in an ecosystem






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