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






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






3. The living organisms in an ecosystem






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






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






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






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






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






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






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






11. Any nonliving component of an environment






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






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






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






15. Any animal that feeds on flesh






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






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






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






19. Animal hunted or caught for food






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






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






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






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






26. The living organisms in an ecosystem






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






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






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






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






31. An arid region with little or no vegetation






32. Conclude by reasoning






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






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






35. The amount of moisture in the air






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






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






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






39. Animal hunted or caught for food






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






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






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






43. Transmit information






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






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






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






47. The amount of moisture in the air






48. Conclude by reasoning






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






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