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






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






3. Rising sea level






4. Provide wood






5. Habitat change and fragmentation






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






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






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






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






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






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






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






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






15. The practice of protecting the environment






16. Moving into a population






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






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






19. An organism that can make its own food






20. The mating of animals in zoos or wildlife preserves






21. The highest level of biodiversity






22. Building up not out






23. A consumer that eats only plants






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






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






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






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






28. Pollution from a factory near your school






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






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






31. The loss of a natural habitat






32. Chemicals that cause cancer






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






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






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






36. Burning fossil fuels






37. Are carefully controlled






38. Resulted in suppression of all forest fires


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






40. Illegal killing or removal of wildlife from their habitats






41. Deals with biological hazards






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






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






44. Fires that are set by humans






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






46. A consumer that eats both plants and animals






47. Help improve the standard of living for residents






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






49. Sikhote-Alin mountains and the Siberian tigers living there are separated from other mountains by this






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