Test your basic knowledge |

DSST Environmental Science - 2

Subjects : dsst, science
Instructions:
  • Answer 50 questions in 15 minutes.
  • If you are not ready to take this test, you can study here.
  • 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. Using public transportation






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






3. Species that are carried to a new location by people






4. Anything in the environment that is used by people is called a natural resource






5. The clearing of a forest and replacing it with another land use






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






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






8. Provide wood






9. Resulted in suppression of all forest fires


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






11. Watering crops


12. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






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






14. The number of different species in an area






15. Shift of population from countryside to cities






16. An organism that breaks down wastes and dead organisms






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






18. Can result in a decrease of property damage






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






20. Manage - protect and reintroduce threatened and endangered species






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






22. Moving into a population






23. The role of an organism in its habitat - or how it makes its living






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






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






26. A consumer that eats only animals






27. A region that has many different types of organism is described as having a high level of this






28. A consumer that eats only plants






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






30. The most effective way of preserving biodiversity by protecting whole ecosystems






31. Making direct measurements






32. A natural pattern in which species diversity generally increases toward the equator






33. Bumps on the roots of certain plants






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






35. Sex - weight - and health issues






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






37. An organism that can make its own food






38. A consumer that eats both plants and animals






39. Pollution from a factory near your school






40. Contamination of land - water - or air






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






42. Leaving a population






43. Building up not out






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






45. The amount of carbon dioxide emissions for which an individual or group is responsible






46. The mating of animals in zoos or wildlife preserves






47. Are carefully controlled






48. An amount of a renewable resource that can be harvested regularly without reducing the future supply






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






50. Deals with biological hazards