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






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






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






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






5. Any nonliving component of an environment






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






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






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






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






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






11. Conclude by reasoning






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






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






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






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






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






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






18. Animal hunted or caught for food






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






20. Any animal that feeds on flesh






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






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






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






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






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






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






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






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






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






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






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






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






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






34. Animals that hunt and eat other animals






35. The living organisms in an ecosystem






36. Animal hunted or caught for food






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






38. Any animal that lives by preying on other animals






39. The amount of moisture in the air






40. Conclude by reasoning






41. Any animal that lives by preying on other animals






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






43. A close relationship of mutual dependence






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






45. An arid region with little or no vegetation






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






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






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






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






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