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






2. Using public transportation






3. A nonliving part of an organism's habitat






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






5. Moving into a population






6. Deals with biological hazards






7. Shift of population from countryside to cities






8. An area with a large population of valuable ocean organisms






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






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






11. Can result in a decrease of property damage






12. Rising sea level






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






14. A consumer that eats only plants






15. Habitat change and fragmentation






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






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






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






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






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






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






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






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






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






25. A living part of an organism's habitat






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






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






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






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






30. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






33. The loss of a natural habitat






34. By increasing the need for people to drive






35. The number of different species in an area






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






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






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






39. Help improve the standard of living for residents






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






41. Illegal killing or removal of wildlife from their habitats






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






43. A virus or bacterium (organisms) that cause infectious diseases






44. Provide wood






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






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






47. Bumps on the roots of certain plants






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






49. A form of decision-making concerned with the allocation and conservation of natural resources






50. A species that is at risk of extinction