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






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






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






4. A consumer that eats only plants






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






7. Sex - weight - and health issues






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






9. Cooking oil - fuel - and medicines






10. Help improve the standard of living for residents






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






12. Causes a cooling effect

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






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






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






16. A consumer that eats both plants and animals






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






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






19. Chemicals that causes harm to embryos and fetuses






20. Pollution from a factory near your school






21. Are carefully controlled






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






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






24. Leaving a population






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






26. A close relationship between two species that benefits at least one of the species






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






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






29. A nonliving part of an organism's habitat






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






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






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






33. Building up not out






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






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






36. Can result in a decrease of property damage






37. This draws people from urban areas to rural areas






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






39. The clearing of a forest and replacing it with another land use






40. Provide wood






41. Moving into a population






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






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






44. Burning fossil fuels






45. Making direct measurements






46. The loss of a natural habitat






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






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






49. Taking in carbon dioxide from the atmosphere during photosynthesis






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