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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 species that could become endangered in the near future






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






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






4. Watering crops

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5. Water vapor and carbon dioxide that trap heat near the earth






6. Making direct measurements






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






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






9. Provide wood






10. A consumer that eats only animals






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






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






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






14. Species that are carried to a new location by people






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






16. This draws people from urban areas to rural areas






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






18. When fish are caught faster than they can breed - causing the populatio to decrease






19. The pattern of overlapping food chains in an ecosystem






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






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






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






23. A nonliving part of an organism's habitat






24. Has the highest amount of species diversity






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






26. Sex - weight - and health issues






27. Causes a cooling effect

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






29. Manage - protect and reintroduce threatened and endangered species






30. The highest level of biodiversity






31. The loss of a natural habitat






32. An organism that breaks down wastes and dead organisms






33. Organism that carries pathogens






34. Fires that are set by humans






35. Cooking oil - fuel - and medicines






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






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






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






39. The disappearance of all members of a species from Earth






40. Are carefully controlled






41. Using public transportation






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






43. Burning fossil fuels






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






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






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






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






48. Contamination of land - water - or air






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






50. The largest population that an area can support






Can you answer 50 questions in 15 minutes?



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