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 number of different species in an area






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






3. Amount of land each person uses






4. Causes a cooling effect






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






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






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






8. Provide wood






9. Chemicals that cause cancer






10. Organism that carries pathogens






11. Making direct measurements






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






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






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






15. Fires that are set by humans






16. Resulted in suppression of all forest fires






17. Sex - weight - and health issues






18. Habitat change and fragmentation






19. Illegal killing or removal of wildlife from their habitats






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






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






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






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






24. Building up not out






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






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






27. A nonliving part of an organism's habitat






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






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






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






31. Contamination of land - water - or air






32. The highest level of biodiversity






33. Chemicals that causes harm to embryos and fetuses






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






35. Help improve the standard of living for residents






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






37. Has the highest amount of species diversity






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






39. The loss of a natural habitat






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






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






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






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






44. The mating of animals in zoos or wildlife preserves






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






46. The practice of protecting the environment






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






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






49. The pattern of overlapping food chains in an ecosystem






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