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






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






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






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






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






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






7. The amount of moisture in the air






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






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






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






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






12. Animal hunted or caught for food






13. A close relationship of mutual dependence






14. Animals that hunt and eat other animals






15. Any nonliving component of an environment






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






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






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






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






20. The living organisms in an ecosystem






21. Animal hunted or caught for food






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






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






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






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






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






27. Animals that hunt and eat other animals






28. Animal hunted or caught for food






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






30. Any animal that feeds on flesh






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






32. Any animal that lives by preying on other animals






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






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






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






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






37. An arid region with little or no vegetation






38. Conclude by reasoning






39. Any nonliving component of an environment






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






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






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






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






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






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






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






47. Transmit information






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






49. Transmit information






50. A close relationship of mutual dependence