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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. Capable of being broken down by bacteria or other decomposers






2. The organism that the parasite lives in or on






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






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






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






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






7. Moving into a population






8. Anything that harms an organism






9. A group of land ecosystems with similar climates and organisms






10. Evaluation of the short-term and long-term risks associated with a particular activity or hazard






11. Water stored in underground layers of soil and rock






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






13. Resources supplied by nature






14. A consumer that eats both plants and animals






15. Type of graph most often used for categorical data






16. Mass destruction of most species






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






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






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






20. Liphids - proteins - and carbohydrates






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






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






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






24. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






25. Anything in the environment that is used by people






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






27. Possible to use again






28. The study of the impact of humans on the environment






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






30. Leaving a population






31. The degree of hotness or coldness of a body or environment






32. A relationship in which both species benefit






33. Wheat -bairley -corn....carbohydrates






34. An environmental factor that causes a population to decrease






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






36. A close relationship between two species that benefits at least one of them






37. The number of different species in a given area






38. The introduction of pesticides and high-yield grains and better management during the 1960s and 1970s which greatly increased agricultural productivity






39. People who survive by searching for wild plants and animals; always move in small groups






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






41. The practice of reducing energy use






42. A graph that highlights segments of a circle to show simple distribution patterns






43. The study of how living and nonliving things interact






44. A graph that uses dots to compare rate of change over time






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






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






47. Countries with strong economies and a high quality of life






48. The organism that benefits by living on or in a host






49. Organism that is killed






50. The time when human begins first domesticated plants and animals and no longer relied entirely on hunting and gathering.







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