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. An arid region with little or no vegetation






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






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






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






5. Conclude by reasoning






6. Animal hunted or caught for food






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






8. The living organisms in an ecosystem






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






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






11. Animal hunted or caught for food






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






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






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






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






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






17. Any nonliving component of an environment






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






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






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






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






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






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






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






25. Any animal that lives by preying on other animals






26. Conclude by reasoning






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






28. The living organisms in an ecosystem






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






30. Transmit information






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






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






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






34. A close relationship of mutual dependence






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






36. An arid region with little or no vegetation






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






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






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






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






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






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






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






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






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






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






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






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






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






50. Animals that hunt and eat other animals