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. Rising sea level






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






3. Manage - protect and reintroduce threatened and endangered species






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






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






6. Organism that carries pathogens






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






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






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






10. The organism that does the killing in a predation interaction






11. Has the highest amount of species diversity






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






13. Watering crops


14. Amount of land each person uses






15. Pollution from a factory near your school






16. The disappearance of all members of a species from Earth






17. A consumer that eats only animals






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






19. Provide wood






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






21. Any substance that poses a chemical hazard






22. The number of different species in an area






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






24. Burning fossil fuels






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






26. An organism that can make its own food






27. Taking in carbon dioxide from the atmosphere during photosynthesis






28. The form of transportation that uses the most energy per passenger mile






29. A consumer that eats both plants and animals






30. The largest population that an area can support






31. Bumps on the roots of certain plants






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






33. A group of land ecosystems with similar climates and organisms






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






35. Using public transportation






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






37. Help improve the standard of living for residents






38. Contamination of land - water - or air






39. Leaving a population






40. One way zoos and aquariums help increase wildlife populations






41. Making direct measurements






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






43. This draws people from urban areas to rural areas






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






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






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






47. A species that is at risk of extinction






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






49. Chemicals that cause cancer






50. Resulted in suppression of all forest fires