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






2. Can result in a decrease of property damage






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






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






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






6. One way zoos and aquariums help increase wildlife populations






7. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






10. A series of events in which one organism eats another and obtains energy






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






12. A living part of an organism's habitat






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






14. Help improve the standard of living for residents






15. This draws people from urban areas to rural areas






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






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






18. Causes a cooling effect

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19. Bumps on the roots of certain plants






20. Manage - protect and reintroduce threatened and endangered species






21. The mating of animals in zoos or wildlife preserves






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






23. Cooking oil - fuel - and medicines






24. Amount of land each person uses






25. Are carefully controlled






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






27. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist






28. Organism that carries pathogens






29. A natural resource that is not replaced in a useful time frame






30. Leaving a population






31. An organism that can make its own food






32. Provide wood






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






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






35. Resulted in suppression of all forest fires

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36. Illegal killing or removal of wildlife from their habitats






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






38. Building up not out






39. Making direct measurements






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






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






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






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






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






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






46. Deals with biological hazards






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






48. A consumer that eats only plants






49. A consumer that eats only animals






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