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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. Moving into a population






3. Are carefully controlled






4. The form of transportation that uses the most energy per passenger mile






5. Building up not out






6. By increasing the need for people to drive






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






8. Illegal killing or removal of wildlife from their habitats






9. Leaving a population






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






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






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






13. This draws people from urban areas to rural areas






14. The highest level of biodiversity






15. Fires that are set by humans






16. Bumps on the roots of certain plants






17. Rising sea level






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






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






20. Any substance that poses a chemical hazard






21. The largest population that an area can support






22. The pattern of overlapping food chains in an ecosystem






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






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






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






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






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






28. A consumer that eats only plants






29. Increase the stability of an ecosystem






30. Burning fossil fuels






31. Pollution from a factory near your school






32. Concentrations of toxicants can be greatly multiplied with each step up the food chain






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






34. A carnivore that feeds on the bodies of dead organisms






35. Deals with biological hazards






36. The loss of a natural habitat






37. Manage - protect and reintroduce threatened and endangered species






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






39. The number of different species in an area






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






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






42. A living part of an organism's habitat






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






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






45. Habitat change and fragmentation






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






47. An organism that can make its own food






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






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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