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 living organisms in an ecosystem






2. Any animal that lives by preying on other animals






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






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






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






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






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






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






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






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






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






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






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






14. Animals that hunt and eat other animals






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






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






17. Transmit information






18. Conclude by reasoning






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






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






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






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






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






24. Animal hunted or caught for food






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






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






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






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






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






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






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






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






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






34. The amount of moisture in the air






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






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






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






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






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






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






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






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






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






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






45. An arid region with little or no vegetation






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






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






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






49. Any nonliving component of an environment






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