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DSST Environmental Sciences Vocab

Subjects : dsst, 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. Type of graph most often used for categorical data






2. The practice of growing - breeding - and caring for plants and animals that are used for food - clothing - transportation - and other uses






3. An organism that breaks down wastes and dead organisms






4. A resource that is either always available or is naturally replaced in a relatively short time






5. A relationship in which one species benefits and the other is neither helped nor harmed






6. The movement or organisms from one place to another






7. A measure of human demand on the Earth's ecosystems






8. In an experiment - the group of participants that recieves the manipulation






9. Struggle between organisms to survive in a habitat with limited resources






10. A state of poor nutrition; lacking enough calories or variety in diet






11. The typical weather pattern in an area over a long period of time






12. The amount of food production in a given area






13. Possible to use again






14. The process of changing free nitrogen gas into a usable form






15. The organism that the parasite lives in or on






16. The trapping of heat near Earth's surface by certain gases (carbon dioxide - water vapor and other gases) in the atmosphere






17. A graph that uses line segments to show changes that occur over time






18. The series of predictable changes that occur in a community over time






19. Water stored in underground layers of soil and rock






20. A natural resource that is not replaced in a useful time frame






21. Illegal killing or removal of wildlife from their habitats






22. The effect of the IV






23. When a large fraction of the resource has been used up






24. The process by which a gas changes to a liquid






25. A nonliving part of an organism's habitat






26. A consumer that eats both plants and animals






27. The disappearance of all members of a species from Earth






28. A species that influences the survival of many others in an ecosystem






29. Leaving a population






30. All the different populations that live together in an area






31. The first species to populate the area






32. The continuous process by which water moves from Earth's surface to the atmosphere and back






33. The process of cutting down only some trees in area






34. Organism that does the killing






35. All the members of one species in a particular area






36. The issue where humans don't take care of the Earth.






37. An organism that obtains energy by feeding on other organisms






38. Wheat -bairley -corn....carbohydrates






39. An interaction in which one organism kills and eats another






40. Rice - corn - potatos - wheat - soy beans






41. An energy rich substance (such as coal - oil - or natural gas) formed from the remains of organisms






42. The series of changes that occur in an area where no soil or organisms exist






43. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






44. A study that compares the costs and benefits to society of providing a public good






45. An organism's particular role - or how it makes its living






46. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent






47. A series of events in which one organism eats another and obtains energy






48. An environment that provides the things an organism needs to live - grow and reproduce






49. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms exist






50. Situation in which people acting individually and in their own interest use up commonly available but limited resources - creating disaster for the entire community







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