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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 natural resource that is not replaced in a useful time frame






2. The act of restricting your food intake (or your intake of particular foods)






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






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






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






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






7. An organism that breaks down wastes and dead organisms






8. Liphids - proteins - and carbohydrates






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






10. Mass destruction of most species






11. The organism that the parasite lives in or on






12. Organism that is killed






13. A consumer that eats both plants and animals






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






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






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






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






18. Something that breaks down into soil






19. Water stored in underground layers of soil and rock






20. Resources supplied by nature






21. The condition in which human needs are met in such a way that a human population can survive indefinitely






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






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






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






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






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






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






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






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






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






31. Type of graph most often used for categorical data






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






33. The largest population that an area can support






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






35. The movement or organisms from one place to another






36. The process in which the changes that make organisms better suited to their environments develop






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






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






39. The community of organisms that live in a particular area along with their nonliving surroundings






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






41. Anything that harms an organism






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






43. A higer demand of that limited product the the price goes up






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






45. Flaw in design of procedure






46. The number of different species in an area






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






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






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






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