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DSST Environmental Sciences Vocab

Subjects : dsst, science
  • Answer 50 questions in 15 minutes.
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  • 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 natural resource that is not replaced in a useful time frame

2. A consumer that eats both plants and animals

3. A nonliving part of an organism's habitat

4. The number of different species in a given area

5. Something that breaks down into soil

6. Heat from the Earth's interior

7. Liphids - proteins - and carbohydrates

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

9. Mistake in following procedure

10. An organism that breaks down wastes and dead organisms

11. A consumer that eats only animals

12. Resources supplied by nature

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

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

15. The first species to populate the area

16. The variable that you manipulate

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

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

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

20. Wheat -bairley -corn....carbohydrates

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

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

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

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

25. Beginning of urban cities - switch from man power to fossil fuels - machinery and factories are prevalent

26. Rice - corn - potatos - wheat - soy beans

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

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

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

30. A consumer that eats only plants

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

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

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

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

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

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

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

38. The movement or organisms from one place to another

39. The study of how living and nonliving things interact

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

41. A chart with bars

42. Possible to use again

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

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

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

46. A relationship in which both species benefit

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

48. The largest population that an area can support

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

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