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. Species that are carried to a new location by people






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






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






4. The mating of animals in zoos or wildlife preserves






5. Making direct measurements






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






7. Habitat change and fragmentation






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






9. The highest level of biodiversity






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






11. Can result in a decrease of property damage






12. Rising sea level






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






14. By increasing the need for people to drive






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






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






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






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






19. Help improve the standard of living for residents






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






21. Watering crops

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






23. Building up not out






24. A species that is at risk of extinction






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






26. Chemicals that causes harm to embryos and fetuses






27. Moving into a population






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






29. Shift of population from countryside to cities






30. Fires that are set by humans






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






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






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






34. A living part of an organism's habitat






35. Leaving a population






36. Burning fossil fuels






37. A consumer that eats both plants and animals






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






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






40. Causes a cooling effect

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






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






43. Cooking oil - fuel - and medicines






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






45. Amount of land each person uses






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






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






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






49. Illegal killing or removal of wildlife from their habitats






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