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

2. A relationship in which both species benefit

3. The number of different species in a given area

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

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

6. Wheat -bairley -corn....carbohydrates

7. Type of graph most often used for categorical data

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

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

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

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

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

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

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

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

16. Mistake in following procedure

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

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

19. A resource that is able to be reused - or can be replenished quickly

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

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

22. The first species to populate the area

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

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

25. Illegal killing or removal of wildlife from their habitats

26. The movement or organisms from one place to another

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

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

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

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

31. Organism that does the killing

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

33. Heat from the Earth's interior

34. The number of different species in an area

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

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

37. A chart with bars

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

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

40. Any form of water that falls to the Earth's surface

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

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

43. Anything that harms an organism

44. A material that cannot be recycled or reused

45. A living part of an organism's habitat

46. The study of how living and nonliving things interact

47. The continuous process by which water moves from Earth's surface to the atmosphere and back

48. Resources supplied by nature

49. Organism that is killed

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