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






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






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






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






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






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






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






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






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






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






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






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






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






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






15. An arid region with little or no vegetation






16. Transmit information






17. The living organisms in an ecosystem






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






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






20. The amount of moisture in the air






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






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






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






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






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






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






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






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






29. Conclude by reasoning






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






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






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






33. Any animal that lives by preying on other animals






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






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






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






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






38. Conclude by reasoning






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






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






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






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






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






44. Any animal that lives by preying on other animals






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






46. A close relationship of mutual dependence






47. Animals that hunt and eat other animals






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






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






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