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. Symbiotic relationship in which both species benefit from the relationship






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






3. Any animal that lives by preying on other animals






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






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






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






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






8. The living organisms in an ecosystem






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






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






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






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






13. Conclude by reasoning






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






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






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






17. Animals that hunt and eat other animals






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






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






20. Animal hunted or caught for food






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






22. Animal hunted or caught for food






23. A close relationship of mutual dependence






24. The amount of moisture in the air






25. The living organisms in an ecosystem






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






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






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






29. A close relationship of mutual dependence






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






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






32. The amount of moisture in the air






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






34. Any animal that lives by preying on other animals






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






36. Any animal that feeds on flesh






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






38. Animals that hunt and eat other animals






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






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






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






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






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






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






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






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






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






48. Animal hunted or caught for food






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






50. Transmit information