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






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






3. Illegal killing or removal of wildlife from their habitats






4. A group of land ecosystems with similar climates and organisms






5. The number of different species in an area






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






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






8. A nonliving part of an organism's habitat






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






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






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






12. Fires that are set by humans






13. A species that is at risk of extinction






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






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






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






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






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






19. Deals with biological hazards






20. Habitat change and fragmentation






21. Manage - protect and reintroduce threatened and endangered species






22. One way zoos and aquariums help increase wildlife populations






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






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






25. Provide wood






26. The series of changes that occur in an area where the ecosystem has been disturbed - but where soil and organisms still exist






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






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






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






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






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






32. This draws people from urban areas to rural areas






33. Leaving a population






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






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






36. Global phenomenon that has caused some organisms to move toward the poles and to higher altitude






37. Resulted in suppression of all forest fires

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






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






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






41. Causes a cooling effect

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42. The largest population that an area can support






43. An organism that can make its own food






44. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






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






46. The highest level of biodiversity






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






48. The mating of animals in zoos or wildlife preserves






49. A consumer that eats only animals






50. Building up not out