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. Any animal that feeds on flesh






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






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






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






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






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






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






8. The living organisms in an ecosystem






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






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






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






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






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






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






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






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






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






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






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






20. Any nonliving component of an environment






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






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






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






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






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






26. The amount of moisture in the air






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






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






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






30. A close relationship of mutual dependence






31. Conclude by reasoning






32. An arid region with little or no vegetation






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






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






35. Any animal that lives by preying on other animals






36. Transmit information






37. Animals that hunt and eat other animals






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






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






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






41. Animal hunted or caught for food






42. A close relationship of mutual dependence






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






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






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






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






47. Animal hunted or caught for food






48. Any animal that feeds on flesh






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






50. Animals that hunt and eat other animals