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






2. The amount of moisture in the air






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






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






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






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






7. A close relationship of mutual dependence






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






9. The living organisms in an ecosystem






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






11. Conclude by reasoning






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






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






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






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






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






17. Animals that hunt and eat other animals






18. Any animal that lives by preying on other animals






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






20. Any nonliving component of an environment






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






22. Animal hunted or caught for food






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






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






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






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






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






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






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






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






31. Animal hunted or caught for food






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






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






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






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






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






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






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






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






40. Any animal that lives by preying on other animals






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






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






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






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






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






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






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






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






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






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