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. Help improve the standard of living for residents






2. A living part of an organism's habitat






3. Habitat change and fragmentation






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






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






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






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






8. Can result in a decrease of property damage






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






10. Moving into a population






11. Sex - weight - and health issues






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






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






14. Shift of population from countryside to cities






15. Manage - protect and reintroduce threatened and endangered species






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






17. Pollution from a factory near your school






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






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






20. Organism that carries pathogens






21. Amount of land each person uses






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






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






24. The loss of a natural habitat






25. Using public transportation






26. Chemicals that cause cancer






27. Leaving a population






28. The pattern of overlapping food chains in an ecosystem






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






30. Causes a cooling effect

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






32. Rising sea level






33. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






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






35. The practice of protecting the environment






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






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






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






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






40. The largest population that an area can support






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






42. Building up not out






43. A nonliving part of an organism's habitat






44. Deals with biological hazards






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






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






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






48. An organism that breaks down wastes and dead organisms






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






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