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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 largest population that an area can support






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






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






4. The practice of reducing energy use






5. Mass destruction of most species






6. A consumer that eats only animals






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






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






9. Liphids - proteins - and carbohydrates






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






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






12. Heat from the Earth's interior






13. Moving into a population






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






15. Illegal killing or removal of wildlife from their habitats






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






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






18. An organism that breaks down wastes and dead organisms






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






20. Anything that harms an organism






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






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






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






24. Resources supplied by nature






25. A consumer that eats only plants






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






27. Organism that does the killing






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






29. The number of different species in an area






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






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






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






33. Something that breaks down into soil






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






35. A chart with bars






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






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






38. The effect of the IV






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






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






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






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






43. Wheat -bairley -corn....carbohydrates






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






45. Organism that is killed






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






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






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






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






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