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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. A species in danger of becoming extinct in the near future






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






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






4. A living part of an organism's habitat






5. A grid that displays the data plotted in a chart.






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






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






8. A habitat in which the freshwater of a river meets the salt water of an ocean






9. A resource that is able to be reused - or can be replenished quickly






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






11. A severe shortage of food (as through crop failure) resulting in violent hunger and starvation and death






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






13. A material that cannot be recycled or reused






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






15. Capable of being broken down by bacteria or other decomposers






16. Organism that does the killing






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






18. Mass destruction of most species






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






20. An environmental factor that causes a population to decrease






21. A consumer that eats both plants and animals






22. A consumer that eats only animals






23. Anything that harms an organism






24. An organism that breaks down wastes and dead organisms






25. The practice of reducing energy use






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






27. The number of different species in a given area






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






29. Type of graph most often used for categorical data






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






31. The variable that you manipulate






32. Leaving a population






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






34. An organism that can make it's own food






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






36. Behaviors and physical characteristics of species that allow them to live successfully in their environment






37. The pattern of overlapping food chains in an ecosystem.






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






39. The organism that the parasite lives in or on






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






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






42. A species that could become endangered in the near future






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






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






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






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






47. The amount of food production in a given area






48. A consumer that eats only plants






49. The group that does not receive the experimental treatment.






50. A chart with bars