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






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






3. Chemicals that causes harm to embryos and fetuses






4. Cooking oil - fuel - and medicines






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






6. The most direct way in which biodiverstiy can provide a source of income






7. The clearing of a forest and replacing it with another land use






8. A behavior or physical characteristic that allows an organism to live successfully in its environment






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






10. Contamination of land - water - or air






11. Leaving a population






12. Making direct measurements






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






14. A consumer that eats only animals






15. The mating of animals in zoos or wildlife preserves






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






17. Burning fossil fuels






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






19. Organism that carries pathogens






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






21. Pollution from a factory near your school






22. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






25. One way zoos and aquariums help increase wildlife populations






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






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






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






29. A consumer that eats only plants






30. A nonliving part of an organism's habitat






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






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






33. Are carefully controlled






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






35. Help improve the standard of living for residents






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






37. Watering crops

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






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






40. A virus or bacterium (organisms) that cause infectious diseases






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






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






43. Moving into a population






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






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






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






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






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






49. The pattern of overlapping food chains in an ecosystem






50. Using public transportation