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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. Sex - weight - and health issues






2. Making direct measurements






3. A resource that is either always available or is naturally replaced in a relatively short time






4. The struggle between organisms to survive as they attempt to use the same limited resource






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






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






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






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






9. The pattern of overlapping food chains in an ecosystem






10. The most direct way in which biodiverstiy can provide a source of income






11. Deals with biological hazards






12. An organism that can make its own food






13. Leaving a population






14. Organism that carries pathogens






15. A nonliving part of an organism's habitat






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






17. A consumer that eats only animals






18. One way zoos and aquariums help increase wildlife populations






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






20. The number of different species in an area






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






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






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






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






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






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 no soil or organisms exist






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






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






30. Fires that are set by humans






31. The reason why tigers living in warmer climates have thinner fur than tigers living in cool climates






32. A relationship between two species in which both species benefit






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






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






35. Help improve the standard of living for residents






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






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






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






39. Building up not out






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






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






42. The process of cutting down all the trees in an area at once






43. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






46. Any substance that poses a chemical hazard






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






48. Illegal killing or removal of wildlife from their habitats






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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