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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 nonliving part of an organism's habitat






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






3. A material that cannot be recycled or reused






4. The first species to populate the area






5. Something that breaks down into soil






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






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






8. A consumer that eats only plants






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






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






11. Flaw in design of procedure






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






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






14. Moving into a population






15. The movement or organisms from one place to another






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






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






18. A chart with bars






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






20. The variable that you manipulate






21. The organism that the parasite lives in or on






22. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






23. Water stored in underground layers of soil and rock






24. Organism that is killed






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






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






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






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






29. The study of how living and nonliving things interact






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






31. Organism that does the killing






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






33. The largest population that an area can support






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






35. Possible to use again






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






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






38. An organism that breaks down wastes and dead organisms






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






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






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






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






43. A consumer that eats only animals






44. Type of graph most often used for categorical data






45. A relationship that involves one organism living on or inside another organism and harming it






46. The theory that increasing carbon dioxide in the atmosphere will raise Earth's average temperature






47. A living part of an organism's habitat






48. The amount of food production in a given area






49. A graph that uses line segments to show changes that occur over time






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