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






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






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






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






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






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






7. An organism that can make its own food






8. By increasing the need for people to drive






9. Using public transportation






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






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






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






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






14. Has the highest amount of species diversity






15. Land that is sparsely populated and has few buildings or roads






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






17. Habitat change and fragmentation






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






19. The pattern of overlapping food chains in an ecosystem






20. Organism that carries pathogens






21. Increase the stability of an ecosystem






22. A consumer that eats only plants






23. An organism that breaks down wastes and dead organisms






24. Help improve the standard of living for residents






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






26. Chemicals that cause cancer






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






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






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






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






31. Are carefully controlled






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






33. A consumer that eats both plants and animals






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






35. Watering crops

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36. Manage - protect and reintroduce threatened and endangered species






37. One way zoos and aquariums help increase wildlife populations






38. This draws people from urban areas to rural areas






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






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






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






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






43. Causes a cooling effect

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44. Moving into a population






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






46. The mating of animals in zoos or wildlife preserves






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






48. Illegal killing or removal of wildlife from their habitats






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






50. Any substance that poses a chemical hazard