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. The land area that supplies water to a river system






2. Any animal that lives by preying on other animals






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






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






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






6. Conclude by reasoning






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






8. An arid region with little or no vegetation






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






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






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






12. A close relationship of mutual dependence






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






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






15. Animal hunted or caught for food






16. Any animal that feeds on flesh






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






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






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






20. Any nonliving component of an environment






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






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






23. Transmit information






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






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






26. The amount of moisture in the air






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






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






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






30. Animal hunted or caught for food






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






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






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






34. The amount of moisture in the air






35. Any animal that feeds on flesh






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






37. A close relationship of mutual dependence






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






39. Animal hunted or caught for food






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






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






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






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






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






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






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






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






48. Any nonliving component of an environment






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






50. An arid region with little or no vegetation