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. Pollution from a factory near your school






2. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






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






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






7. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude






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






9. Transportation systems - communications systems - water services - power supplies - and schools






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






11. 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






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






13. Moving into a population






14. Provide wood






15. Making direct measurements






16. Manage - protect and reintroduce threatened and endangered species






17. Sex - weight - and health issues






18. The highest level of biodiversity






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






20. Deals with biological hazards






21. Can result in a decrease of property damage






22. Has the highest amount of species diversity






23. A consumer that eats only plants






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






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






26. Chemicals that cause cancer






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






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






29. Watering crops

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30. A consumer that eats only animals






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






32. An organism that can make its own food






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






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






35. Shift of population from countryside to cities






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






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






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






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






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






41. Using public transportation






42. The loss of a natural habitat






43. The largest population that an area can support






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






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






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






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






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






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






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