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






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






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






4. A close relationship of mutual dependence






5. Transmit information






6. The living organisms in an ecosystem






7. The amount of moisture in the air






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






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






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






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






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






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






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






15. An arid region with little or no vegetation






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






17. Any animal that lives by preying on other animals






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






19. Animals that hunt and eat other animals






20. Any nonliving component of an environment






21. Animal hunted or caught for food






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






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






24. Any nonliving component of an environment






25. Animals that hunt and eat other animals






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






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






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






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






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






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






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






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






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






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






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






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






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






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






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






41. The living organisms in an ecosystem






42. Animal hunted or caught for food






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






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






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






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






47. Conclude by reasoning






48. Any animal that lives by preying on other animals






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






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