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. Animals that hunt and eat other animals






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






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






4. Animal hunted or caught for food






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






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






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






8. Any animal that feeds on flesh






9. An arid region with little or no vegetation






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






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






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






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






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






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






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






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






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






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






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






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






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






23. Transmit information






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






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






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






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






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






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






30. Transmit information






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






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






33. Conclude by reasoning






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






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






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






37. An arid region with little or no vegetation






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






39. The living organisms in an ecosystem






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






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






42. A close relationship of mutual dependence






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






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






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






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






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






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






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






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