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






2. Animal hunted or caught for food






3. Any animal that feeds on flesh






4. Animal hunted or caught for food






5. Animal hunted or caught for food






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






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






8. An arid region with little or no vegetation






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






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






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






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






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






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






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






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






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






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






19. Conclude by reasoning






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






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






22. The living organisms in an ecosystem






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






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






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






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






27. Any animal that lives by preying on other animals






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






29. The amount of moisture in the air






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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