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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. The disappearance of all members of a species from Earth






2. Habitat change and fragmentation






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






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






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






6. Burning fossil fuels






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






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






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






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






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






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






13. Causes a cooling effect


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






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






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






17. The loss of a natural habitat






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






19. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






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






25. A species that is at risk of extinction






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






27. Are carefully controlled






28. Making direct measurements






29. A living part of an organism's habitat






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






31. Illegal killing or removal of wildlife from their habitats






32. Chemicals that cause cancer






33. The mating of animals in zoos or wildlife preserves






34. Watering crops


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






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






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






38. Pollution from a factory near your school






39. Contamination of land - water - or air






40. By increasing the need for people to drive






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






42. Organism that carries pathogens






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






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






45. Sex - weight - and health issues






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






47. Deals with biological hazards






48. Has the highest amount of species diversity






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






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






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