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. Any nonliving component of an environment






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






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






4. Animal hunted or caught for food






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






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






7. Animal hunted or caught for food






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






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






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






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






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






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






14. The living organisms in an ecosystem






15. Any animal that lives by preying on other animals






16. An arid region with little or no vegetation






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






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






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






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






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






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






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






24. The amount of moisture in the air






25. Animal hunted or caught for food






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






27. Conclude by reasoning






28. A close relationship of mutual dependence






29. Any animal that feeds on flesh






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






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






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






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






34. Any animal that feeds on flesh






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






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






37. The amount of moisture in the air






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






39. Animals that hunt and eat other animals






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






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






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






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






44. The living organisms in an ecosystem






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






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






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






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






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






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