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. Making direct measurements






3. Sex - weight - and health issues






4. A species that is at risk of extinction






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






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






7. Manage - protect and reintroduce threatened and endangered species






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






9. Rising sea level






10. The pattern of overlapping food chains in an ecosystem






11. A nonliving part of an organism's habitat






12. Illegal killing or removal of wildlife from their habitats






13. Provide wood






14. The largest population that an area can support






15. Chemicals that cause cancer






16. Moving into a population






17. Increase the stability of an ecosystem






18. The process of cutting down all the trees in an area at once






19. Bumps on the roots of certain plants






20. Species that are carried to a new location by people






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






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






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






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






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






26. An organism that can make its own food






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






28. A consumer that eats both plants and animals






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






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






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






32. Using public transportation






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






34. A disease that has appeared in the human population for the first time or that has existed for a while but is increasing rapidly and spreading around the world






35. Deals with biological hazards






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






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






38. The practice of protecting the environment






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






40. The number of different species in an area






41. The mating of animals in zoos or wildlife preserves






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






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






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






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






46. Shift of population from countryside to cities






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






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






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






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