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






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






3. The first species to populate the area






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






5. Something that breaks down into soil






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






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






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






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






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






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






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






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






14. A consumer that eats only plants






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






16. Flaw in design of procedure






17. A consumer that eats only animals






18. Water stored in underground layers of soil and rock






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






20. Organism that does the killing






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






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






23. Mistake in following procedure






24. Anything in the environment that is used by people






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






26. The movement or organisms from one place to another






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






28. Moving into a population






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






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






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






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






33. Mass destruction of most species






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






35. The process by which molecules of liquid absorb energy and change to gas






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






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






38. Illegal killing or removal of wildlife from their habitats






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






40. Leaving a population






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






42. Resources supplied by nature






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






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






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






46. A living part of an organism's habitat






47. The effect of the IV






48. The study of how living and nonliving things interact






49. The number of different species in an area






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