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. Taking in carbon dioxide from the atmosphere during photosynthesis






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






3. An organism that can make its own food






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






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






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






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






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






9. A nonliving part of an organism's habitat






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






11. The practice of protecting the environment






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






13. Help improve the standard of living for residents






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






15. The form of transportation that uses the most energy per passenger mile






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






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






18. Cooking oil - fuel - and medicines






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






20. Any substance that poses a chemical hazard






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






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






23. One way zoos and aquariums help increase wildlife populations






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






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






26. Watering crops

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27. Loud noises in the air like jack hammers - loud car stereos - etc...






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






29. A consumer that eats both plants and animals






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






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






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






33. Deals with biological hazards






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






35. Chemicals that causes harm to embryos and fetuses






36. Provide wood






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






38. Making direct measurements






39. Sex - weight - and health issues






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






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






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






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






44. Organism that carries pathogens






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






46. Has the highest amount of species diversity






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






48. This draws people from urban areas to rural areas






49. Habitat change and fragmentation






50. A consumer that eats only plants