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 clearing of a forest and replacing it with another land use






2. A nonliving part of an organism's habitat






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






4. Cooking oil - fuel - and medicines






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






6. The mating of animals in zoos or wildlife preserves






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






8. Leaving a population






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






10. The pattern of overlapping food chains in an ecosystem






11. Illegal killing or removal of wildlife from their habitats






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






13. Organism that carries pathogens






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






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






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






17. A consumer that eats both plants and animals






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






19. Moving into a population






20. Habitat change and fragmentation






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






22. Fires that are set by humans






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






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






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






26. One way zoos and aquariums help increase wildlife populations






27. A species that could become endangered in the near future






28. The largest population that an area can support






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






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






31. Can result in a decrease of property damage






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






33. Chemicals that cause cancer






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






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






36. Rising sea level






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






38. The highest level of biodiversity






39. Sex - weight - and health issues






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






41. Taking in carbon dioxide from the atmosphere during photosynthesis






42. Relieving a nation from repaying some of the money it owes other nations in exchange for protecting its biodiversity






43. Has the highest amount of species diversity






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






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






46. Help improve the standard of living for residents






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






48. The process of changing free nitrogen gas into a usable form






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






50. Watering crops

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183