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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. The process of cutting down only some trees in area






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






3. A resource that is not able to be reused - or cannot be replenished quickly






4. A consumer that eats only animals






5. Something that does not completely break down into the soil






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






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






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






9. Illegal killing or removal of wildlife from their habitats






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






11. Leaving a population






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






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






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






15. The variable that you manipulate






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






17. The movement or organisms from one place to another






18. Organism that does the killing






19. A material that cannot be recycled or reused






20. Countries with less productive economies and a lower quality of life






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






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






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






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






25. Heat from the Earth's interior






26. Type of graph most often used for categorical data






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






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






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






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






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






32. Wheat -bairley -corn....carbohydrates






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






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






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






36. A carnivore that feeds on the bodies of dead organisms






37. An environmental factor that causes a population to decrease






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






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






40. A consumer that eats only plants






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






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






43. The practice of reducing energy use






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






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






46. The study of how living and nonliving things interact






47. The rate of which a plant grows at






48. The organism that the parasite lives in or on






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






50. The number of different species in a given area