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






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






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






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






5. Animals that hunt and eat other animals






6. Any nonliving component of an environment






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






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






9. An arid region with little or no vegetation






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






11. The living organisms in an ecosystem






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






13. Animal hunted or caught for food






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






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






16. The amount of moisture in the air






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






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






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






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






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






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






23. A close relationship of mutual dependence






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






25. Animal hunted or caught for food






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






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






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






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






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






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






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






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






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






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






36. Any animal that feeds on flesh






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






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






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






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






41. Any animal that lives by preying on other animals






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






43. Transmit information






44. Animal hunted or caught for food






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






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






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






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






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






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