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






2. One way zoos and aquariums help increase wildlife populations






3. Chemicals that causes harm to embryos and fetuses






4. Have a greater sensitivity to environmental hazards than any other group






5. Burning fossil fuels






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






7. Manage - protect and reintroduce threatened and endangered species






8. The highest level of biodiversity






9. Organism that carries pathogens






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






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






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






13. Amount of land each person uses






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






15. A consumer that eats both plants and animals






16. Contamination of land - water - or air






17. Plan to establish an 8000 kilometer long strip of land to rejoin fragments of tiger habitat






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






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






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






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






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






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






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






25. Making direct measurements






26. Any substance that poses a chemical hazard






27. Help improve the standard of living for residents






28. An organism that is killed and eaten by another organism






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






30. 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






31. Habitat change and fragmentation






32. Leaving a population






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






34. Taking in carbon dioxide from the atmosphere during photosynthesis






35. Chemicals that cause cancer






36. By increasing the need for people to drive






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






38. Shift of population from countryside to cities






39. Causes a cooling effect






40. Are carefully controlled






41. Cooking oil - fuel - and medicines






42. Illegal killing or removal of wildlife from their habitats






43. Using public transportation






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






45. Building up not out






46. Can result in a decrease of property damage






47. A living part of an organism's habitat






48. The number of different species in an area






49. A consumer that eats only animals






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