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DSST Environmental Science - 2

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. Can result in a decrease of property damage

2. Businesses are arranged in a long row along a roadway - with no main community

3. The amount of replacement is equal to the amount harvested

4. The organism that does the killing in a predation interaction

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

6. Increase the stability of an ecosystem

7. Sex - weight - and health issues

8. Viruses - bacteria and other organisms in the environment that harm human health

9. Burning fossil fuels

10. Using public transportation

11. A relationship in which one organism lives on or in a host and harms it

12. Watering crops

13. An organism that can make its own food

14. A relationship between two species in which both species benefit

15. The loss of a natural habitat

16. The number of different species in an area

17. A consumer that eats both plants and animals

18. Water vapor and carbon dioxide that trap heat near the earth

19. The study of how living things interact with each other and their environment

20. The mating of animals in zoos or wildlife preserves

21. The probability that a hazard will cause a harmful response

22. By increasing the need for people to drive

23. Resulted in suppression of all forest fires

24. A nonliving part of an organism's habitat

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

26. A behavior or physical characteristic that allows an organism to live successfully in its environment

27. Taking in carbon dioxide from the atmosphere during photosynthesis

28. Has the highest amount of species diversity

29. Rising sea level

30. Moving into a population

31. Deals with biological hazards

32. Are carefully controlled

33. A close relationship between two species that benefits at least one of the species

34. Cooking oil - fuel - and medicines

35. Leaving a population

36. Illegal killing or removal of wildlife from their habitats

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

38. An example of a method for managing whole ecosystems and habitats

39. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates

40. Trees - grass - crops - wetlands - water - building and pavements

41. This draws people from urban areas to rural areas

42. An organism that obtains energy by feeding on the other organisms

43. A living part of an organism's habitat

44. Soil - fresh water - wild animals - and timber

45. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world

46. A consumer that eats only animals

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

48. Manage - protect and reintroduce threatened and endangered species

49. Building up not out

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