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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. A consumer that eats only animals






2. A consumer that eats both plants and animals






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






4. Building up not out






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






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






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






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






9. The number of different species in an area






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






11. Cooking oil - fuel - and medicines






12. By increasing the need for people to drive






13. Help improve the standard of living for residents






14. Causes a cooling effect

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






16. Resulted in suppression of all forest fires

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17. The loss of a natural habitat






18. Any substance that poses a chemical hazard






19. This draws people from urban areas to rural areas






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






21. Have a greater sensitivity to environmental hazards than any other group






22. Habitat change and fragmentation






23. A nonliving part of an organism's habitat






24. The pattern of overlapping food chains in an ecosystem






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






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






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






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






29. Rising sea level






30. Chemicals that causes harm to embryos and fetuses






31. An organism that breaks down wastes and dead organisms






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






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






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






35. Making direct measurements






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






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






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






39. Organism that carries pathogens






40. Watering crops

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41. An organism that can make its own food






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






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






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






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






46. Are carefully controlled






47. A consumer that eats only plants






48. One way zoos and aquariums help increase wildlife populations






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






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







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Can you answer 50 questions in 15 minutes?


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