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






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






4. Transmit information






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






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






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






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






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






10. Animal hunted or caught for food






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






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






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






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






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






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






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






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






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






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






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






22. Animal hunted or caught for food






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






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






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






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






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






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






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






30. Conclude by reasoning






31. The amount of moisture in the air






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






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






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






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






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






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






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






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






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






41. The amount of moisture in the air






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






43. A close relationship of mutual dependence






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






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






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






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






48. Animal hunted or caught for food






49. The living organisms in an ecosystem






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