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






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






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






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






5. Transmit information






6. An arid region with little or no vegetation






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






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






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






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






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






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






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






14. The living organisms in an ecosystem






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






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






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






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






19. The amount of moisture in the air






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






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






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






23. Animal hunted or caught for food






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






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






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






27. A close relationship of mutual dependence






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






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






30. The amount of moisture in the air






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






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






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






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






35. Any nonliving component of an environment






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






37. An arid region with little or no vegetation






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






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






40. Conclude by reasoning






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






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






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






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






45. Transmit information






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






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






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






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






50. Any animal that lives by preying on other animals