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. Soil - fresh water - wild animals - and timber






2. The loss of a natural habitat






3. Organism that carries pathogens






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






5. Pollution from a factory near your school






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






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






8. Habitat change and fragmentation






9. Using public transportation






10. A large area heavily populated like Miami - Florida or Toledo - Ohio






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






12. Chemicals that cause cancer






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






14. Making direct measurements






15. By increasing the need for people to drive






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






17. The highest level of biodiversity






18. Deals with biological hazards






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






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






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






22. Shift of population from countryside to cities






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






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






25. The mating of animals in zoos or wildlife preserves






26. Can result in a decrease of property damage






27. The pattern of overlapping food chains in an ecosystem






28. Illegal killing or removal of wildlife from their habitats






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






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






31. Bumps on the roots of certain plants






32. Transportation systems - communications systems - water services - power supplies - and schools






33. An organism that breaks down wastes and dead organisms






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






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






36. Manage - protect and reintroduce threatened and endangered species






37. A consumer that eats only plants






38. The practice of protecting the environment






39. The process of changing free nitrogen gas into a usable form






40. Moving into a population






41. Sex - weight - and health issues






42. Taking in carbon dioxide from the atmosphere during photosynthesis






43. This draws people from urban areas to rural areas






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






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






46. Rising sea level






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






48. The number of different species in an area






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






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