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 amount of replacement is equal to the amount harvested






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






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






4. Cooking oil - fuel - and medicines






5. Illegal killing or removal of wildlife from their habitats






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






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






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






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






10. Watering crops


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






12. A consumer that eats only animals






13. Using public transportation






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






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






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






17. Sex - weight - and health issues






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






19. This draws people from urban areas to rural areas






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






21. Contamination of land - water - or air






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






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






24. A carnivore that feeds on the bodies of dead organisms






25. Manage - protect and reintroduce threatened and endangered species






26. The number of different species in an area






27. Chemicals that cause cancer






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






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






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






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






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






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






34. A species that is at risk of extinction






35. A natural resource that is not replaced in a useful time frame






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






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






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






39. Taking in carbon dioxide from the atmosphere during photosynthesis






40. Burning fossil fuels






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






42. Help improve the standard of living for residents






43. The loss of a natural habitat






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






45. Habitat change and fragmentation






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






47. Anything in the environment that is used by people is called a natural resource






48. Resulted in suppression of all forest fires


49. An organism that can make its own food






50. The mating of animals in zoos or wildlife preserves