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






2. Chemicals that causes harm to embryos and fetuses






3. A nonliving part of an organism's habitat






4. Land that is sparsely populated and has few buildings or roads






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






6. An organism that breaks down wastes and dead organisms






7. Fires that are set by humans






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






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






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






11. The form of transportation that uses the most energy per passenger mile






12. Manage - protect and reintroduce threatened and endangered species






13. Taking in carbon dioxide from the atmosphere during photosynthesis






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






15. Watering crops


16. Sex - weight - and health issues






17. Rising sea level






18. A large area heavily populated like Miami - Florida or Toledo - Ohio






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






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






21. Process of measuring the chance that an environmental hazard will cause harm






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






23. The number of different species in an area






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






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






26. The loss of a natural habitat






27. The process of cutting down all the trees in an area at once






28. An organism that can make its own food






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






30. Chemical hazard that was once found in paint - young children are frequently tested for this






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






32. Chemicals that cause cancer






33. Cooking oil - fuel - and medicines






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






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






36. The breaking of a habitat into smaller - isolated pieces






37. A consumer that eats both plants and animals






38. When fish are caught faster than they can breed - causing the populatio to decrease






39. Causes a cooling effect


40. Provide wood






41. A species that is at risk of extinction






42. Moving into a population






43. Building up not out






44. Concentrations of toxicants can be greatly multiplied with each step up the food chain






45. Burning fossil fuels






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






47. A consumer that eats only animals






48. Amount of land each person uses






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






50. The process of cutting down only some trees in an area