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. Any animal that feeds chiefly on grass and other plants






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






3. Animal hunted or caught for food






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






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






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






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






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






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






10. Animals that hunt and eat other animals






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






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






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






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






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






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






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






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






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






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






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






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






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






24. Conclude by reasoning






25. Animals that hunt and eat other animals






26. The living organisms in an ecosystem






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






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






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






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






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






32. Transmit information






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






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






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






36. Conclude by reasoning






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






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






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






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






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






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






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






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






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






46. The living organisms in an ecosystem






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






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






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






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