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. An arid region with little or no vegetation






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






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






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






5. Animal hunted or caught for food






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






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






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






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






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






11. The living organisms in an ecosystem






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






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






14. Transmit information






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






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






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






18. Any animal that lives by preying on other animals






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






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






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






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






23. Animal hunted or caught for food






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






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






26. Animal hunted or caught for food






27. Any nonliving component of an environment






28. Conclude by reasoning






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






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






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






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






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






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






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






36. Any animal that feeds on flesh






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






38. The amount of moisture in the air






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






40. Animal hunted or caught for food






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






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






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






44. The amount of moisture in the air






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






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






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






48. Animals that hunt and eat other animals






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






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