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






2. Sex - weight - and health issues






3. The pattern of overlapping food chains in an ecosystem






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






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






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






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






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






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






10. A species that is at risk of extinction






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






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






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






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






15. Provide wood






16. A consumer that eats only plants






17. A species that could become endangered in the near future






18. Leaving a population






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






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






21. A consumer that eats only animals






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






23. Amount of land each person uses






24. Help improve the standard of living for residents






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






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






27. A living part of an organism's habitat






28. Process of measuring the chance that an environmental hazard will cause harm






29. Watering crops

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






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






32. Rising sea level






33. Organism that carries pathogens






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






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






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






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






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






39. Contamination of land - water - or air






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






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






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






43. Illegal killing or removal of wildlife from their habitats






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






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






46. Bumps on the roots of certain plants






47. Habitat change and fragmentation






48. Burning fossil fuels






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






50. Are carefully controlled