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. An organism that is killed and eaten by another organism






2. Watering crops


3. The largest population that an area can support






4. Resulted in suppression of all forest fires


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






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






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






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






9. A living part of an organism's habitat






10. Sex - weight - and health issues






11. Can result in a decrease of property damage






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






13. Fires that are set by humans






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






15. A nonliving part of an organism's habitat






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






17. Habitat change and fragmentation






18. An organism that breaks down wastes and dead organisms






19. A form of decision-making concerned with the allocation and conservation of natural resources






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






21. Deals with biological hazards






22. The mating of animals in zoos or wildlife preserves






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






24. Help improve the standard of living for residents






25. Using public transportation






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






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






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






29. An organism that can make its own food






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






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






32. Illegal killing or removal of wildlife from their habitats






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






34. Are carefully controlled






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






36. The practice of protecting the environment






37. Increase the stability of an ecosystem






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






39. The highest level of biodiversity






40. Building up not out






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






42. This draws people from urban areas to rural areas






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






44. Cooking oil - fuel - and medicines






45. A consumer that eats only plants






46. A species that is at risk of extinction






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






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






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






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