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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. A living part of an organism's habitat






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






3. Has the highest amount of species diversity






4. The breaking of a habitat into smaller - isolated pieces






5. Bumps on the roots of certain plants






6. The mating of animals in zoos or wildlife preserves






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






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






9. Illegal killing or removal of wildlife from their habitats






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






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






12. Leaving a population






13. Any substance that poses a chemical hazard






14. A consumer that eats only animals






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






16. Help improve the standard of living for residents






17. Chemicals that causes harm to embryos and fetuses






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






19. Using public transportation






20. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






23. The highest level of biodiversity






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






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






26. Moving into a population






27. This draws people from urban areas to rural areas






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






29. An organism that obtains energy by feeding on the other organisms






30. Shift of population from countryside to cities






31. Can result in a decrease of property damage






32. A nonliving part of an organism's habitat






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






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






35. Increase the stability of an ecosystem






36. Are carefully controlled






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






38. Pollution from a factory near your school






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






40. Amount of land each person uses






41. Making direct measurements






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






43. Organism that carries pathogens






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






45. Cooking oil - fuel - and medicines






46. Burning fossil fuels






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






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






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






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







Sorry!:) No result found.

Can you answer 50 questions in 15 minutes?


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