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






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






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






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






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






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






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






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






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






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






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






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






13. The living organisms in an ecosystem






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






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






16. Conclude by reasoning






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






18. Animals that hunt and eat other animals






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






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






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






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






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






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






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






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






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






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






31. The amount of moisture in the air






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






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






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






35. Animals that hunt and eat other animals






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






37. Animal hunted or caught for food






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






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






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






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






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






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






44. Any animal that feeds on flesh






45. Any animal that feeds on flesh






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






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






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






49. Any nonliving component of an environment






50. Animal hunted or caught for food