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. Has the highest amount of species diversity






2. Fires that are set by humans






3. Amount of land each person uses






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






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






6. A behavior or physical characteristic that allows an organism to live successfully in its environment






7. The mating of animals in zoos or wildlife preserves






8. Using public transportation






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






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






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






12. Taking in carbon dioxide from the atmosphere during photosynthesis






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






14. The pattern of overlapping food chains in an ecosystem






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






16. Organism that carries pathogens






17. 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






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






19. Deals with biological hazards






20. Can result in a decrease of property damage






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






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






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






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






25. Burning fossil fuels






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






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






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






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






30. Building up not out






31. Help improve the standard of living for residents






32. Moving into a population






33. Bumps on the roots of certain plants






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






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






36. Sex - weight - and health issues






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






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






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






40. A relationship between two species in which one species benefits and the other is neither helped nor harmed






41. Provide wood






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






43. Causes a cooling effect

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






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






46. A relationship in which one organism lives on or in a host and harms it






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






48. The disappearance of a particular population from a given area - but not from the entire species globally






49. The number of different species in an area






50. Habitat change and fragmentation