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

2. The first species to populate the area

3. Organism that is killed

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

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

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

7. A living part of an organism's habitat

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

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

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

11. A consumer that eats both plants and animals

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

13. The amount of food production in a given area

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

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

16. The movement or organisms from one place to another

17. Possible to use again

18. Heat from the Earth's interior

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

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

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

22. The series of changes that occur in an area where no soil or organisms exist

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

24. The practice of reducing energy use

25. The rate of which a plant grows at

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

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

28. The largest population that an area can support

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

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

31. Wheat -bairley -corn....carbohydrates

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

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

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

35. The number of different species in a given area

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

37. Anything that harms an organism

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

39. A consumer that eats only animals

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

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

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

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

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

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

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

48. The organism that the parasite lives in or on

49. An environmental factor that causes a population to decrease

50. Flaw in design of procedure