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






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






3. An arid region with little or no vegetation






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






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






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






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






8. Transmit information






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






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






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






12. Animal hunted or caught for food






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






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






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






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






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






18. Animal hunted or caught for food






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






20. Animal hunted or caught for food






21. Conclude by reasoning






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






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






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






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






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






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






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






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






30. Any animal that feeds on flesh






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






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






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






34. Animals that hunt and eat other animals






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






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






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






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






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






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






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






42. Any animal that lives by preying on other animals






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






44. Conclude by reasoning






45. Any animal that feeds on flesh






46. Animal hunted or caught for food






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






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






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






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