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. Energy from the sun would be reflected back into space






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






3. A species that is at risk of extinction






4. Fires that are set by humans






5. By increasing the need for people to drive






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






7. Increase the stability of an ecosystem






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






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






10. Burning fossil fuels






11. The largest population that an area can support






12. Help improve the standard of living for residents






13. Organism that carries pathogens






14. Has the highest amount of species diversity






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






16. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






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






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






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






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






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






22. Leaving a population






23. A consumer that eats only plants






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






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






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






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






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






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






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






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






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






33. Moving into a population






34. Pollution from a factory near your school






35. Building up not out






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






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






38. Sex - weight - and health issues






39. Habitat change and fragmentation






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






41. Rising sea level






42. Amount of land each person uses






43. Deals with biological hazards






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






45. Taking in carbon dioxide from the atmosphere during photosynthesis






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






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






48. Transportation systems - communications systems - water services - power supplies - and schools






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






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