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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 consumer that eats only animals






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






3. An environment that provides the things an organism needs to live - grow and reproduce






4. The organism that the parasite lives in or on






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






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






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






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






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






10. Measure of quantity of food produced on a given area of land with limited inputs of energy and resources






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






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






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






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






15. The movement or organisms from one place to another






16. Liphids - proteins - and carbohydrates






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






18. The variable that you manipulate






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






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






21. Leaving a population






22. Wheat -bairley -corn....carbohydrates






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






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






25. The number of different species in a given area






26. Resources supplied by nature






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






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






29. Type of graph most often used for categorical data






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






31. Water stored in underground layers of soil and rock






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






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






34. Possible to use again






35. The study of how living and nonliving things interact






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






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






38. A chart with bars






39. A living part of an organism's habitat






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






41. Mistake in following procedure






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






43. Mass destruction of most species






44. The amount of food production in a given area






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






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






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






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






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






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