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. A group of organisms that are physically similar and can mate with each other and produce offspring that can also mate and reproduce






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






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






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






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






6. Burning fossil fuels






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






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






9. A consumer that eats only plants






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






11. Sex - weight - and health issues






12. Increase the stability of an ecosystem






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






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






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






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






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






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






19. Taking in carbon dioxide from the atmosphere during photosynthesis






20. Causes a cooling effect

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21. Help improve the standard of living for residents






22. A nonliving part of an organism's habitat






23. Can result in a decrease of property damage






24. Has the highest amount of species diversity






25. A series of events in which one organism eats another and obtains energy






26. Pollution from a factory near your school






27. Shift of population from countryside to cities






28. An organism that breaks down wastes and dead organisms






29. Manage - protect and reintroduce threatened and endangered species






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






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






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






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






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






35. Are carefully controlled






36. Rising sea level






37. The pattern of overlapping food chains in an ecosystem






38. The practice of protecting the environment






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






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






41. Chemicals that cause cancer






42. A species that is at risk of extinction






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






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






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






46. Deals with biological hazards






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






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






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






50. An organism that can make its own food