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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. The number of different species in an area






2. The largest population that an area can support






3. Fires that are set by humans






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






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






6. Has the highest amount of species diversity






7. Habitat change and fragmentation






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






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






10. Chemicals that cause cancer






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






12. Increase the stability of an ecosystem






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






14. A consumer that eats only animals






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






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






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






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






19. Building up not out






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






21. The highest level of biodiversity






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






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






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






25. An amount of a renewable resource that can be harvested regularly without reducing the future supply






26. An organism that can make its own food






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






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






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






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






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






32. Contamination of land - water - or air






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






34. Moving into a population






35. Soil - fresh water - wild animals - and timber






36. Cooking oil - fuel - and medicines






37. Burning fossil fuels






38. Causes a cooling effect

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39. An example of a method for managing whole ecosystems and habitats






40. A consumer that eats both plants and animals






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






42. Manage - protect and reintroduce threatened and endangered species






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






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






45. Illegal killing or removal of wildlife from their habitats






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






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






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






49. Sex - weight - and health issues






50. A consumer that eats only plants