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. A consumer that eats only plants






2. Any substance that poses a chemical hazard






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






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






5. Contamination of land - water - or air






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






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






8. The mating of animals in zoos or wildlife preserves






9. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






10. Refers to an increase in Earth's average surface temperature






11. The practice of protecting the environment






12. The number of different species in an area






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






14. Loud noises in the air like jack hammers - loud car stereos - etc...






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






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






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






18. 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






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






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






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






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






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






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






25. Chemicals that causes harm to embryos and fetuses






26. Cooking oil - fuel - and medicines






27. Illegal killing or removal of wildlife from their habitats






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






29. One way zoos and aquariums help increase wildlife populations






30. Moving into a population






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






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






33. The loss of a natural habitat






34. The struggle between organisms to survive as they attempt to use the same limited resource






35. Has the highest amount of species diversity






36. Energy from the sun would be reflected back into space






37. The study of the natural processes that occur in the environment and how humans can affect them






38. Taking in carbon dioxide from the atmosphere during photosynthesis






39. The highest level of biodiversity






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






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






42. Bumps on the roots of certain plants






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






44. A species in danger of becoming extinct in the near future






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






46. Burning fossil fuels






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






48. Rising sea level






49. A species that is at risk of extinction






50. A nonliving part of an organism's habitat