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

2. Mistake in following procedure

3. The amount of food production in a given area

4. Resources supplied by nature

5. Organism that does the killing

6. Illegal killing or removal of wildlife from their habitats

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

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

9. A consumer that eats only animals

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

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

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

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

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

15. Wheat -bairley -corn....carbohydrates

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

17. Something that breaks down into soil

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

19. The rate of which a plant grows at

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

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

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

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

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

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

26. A living part of an organism's habitat

27. Organism that is killed

28. A material that cannot be recycled or reused

29. Flaw in design of procedure

30. Leaving a population

31. Farmers who raise food and animals mainly to feed their own families

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

33. The organism that the parasite lives in or on

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

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

36. A grid that displays the data plotted in a chart.

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

38. The study of how living and nonliving things interact

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

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

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

42. An organism that breaks down wastes and dead organisms

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

44. The variable that you manipulate

45. The number of different species in a given area

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

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

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

49. The process by which a gas changes to a liquid

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