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. Dense forest that receives high amounts of rain each year






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






3. The living organisms in an ecosystem






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






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






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






7. Any animal that lives by preying on other animals






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






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






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






11. Conclude by reasoning






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






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






14. Conclude by reasoning






15. A close relationship of mutual dependence






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






17. The amount of moisture in the air






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






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






20. Animal hunted or caught for food






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






22. Any animal that feeds on flesh






23. An arid region with little or no vegetation






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






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






26. Animals that hunt and eat other animals






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






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






29. Animal hunted or caught for food






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






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






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






33. The living organisms in an ecosystem






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






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






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






37. Any animal that feeds on flesh






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






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






40. Any animal that lives by preying on other animals






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






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






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






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






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






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






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






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






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






50. Any nonliving component of an environment